![\"R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u5177\u4f53\u53c2\u6570\u5982\u4f55\u4fee\u6539\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27065439\/220ac29f-6e5e-4d16-8595-249bf09fcc72.webp\")
<\/p>\n<\/p>\n
R\u8bed\u8a00\u4e2d\u7ed8\u5236Kaplan-Meier\uff08KM\uff09\u751f\u5b58\u66f2\u7ebf\u7684\u5177\u4f53\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u751f\u5b58\u5206\u6790\u5305 \u5176\u4e2d\uff0c\u4f7f\u7528survminer\u5305\u7684ggsurvplot()\u51fd\u6570\u4fee\u6539\u8fd9\u4e9b\u53c2\u6570\u662f\u5e38\u89c1\u7684\u505a\u6cd5\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u8fdb\u884c\u8fd9\u4e9b\u4fee\u6539\u3002<\/p>\n<\/p>\n \u5b89\u88c5\u5e76\u52a0\u8f7dR\u7684 install.packages("survminer")<\/p>\n <\/code><\/pre>\n<\/p>\n \u7136\u540e\u52a0\u8f7d\u5b83\u4eec\uff1a<\/p>\n<\/p>\n library(survminer)<\/p>\n <\/code><\/pre>\n<\/p>\n \u9996\u5148\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a <\/code><\/pre>\n<\/p>\n \u4f7f\u7528 <\/code><\/pre>\n<\/p>\n \u7ed8\u5236\u6700\u57fa\u672c\u7684KM\u66f2\u7ebf\u4e0d\u5305\u542b\u683c\u5f0f\u5316\u53c2\u6570\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7\u4f20\u9012\u53c2\u6570 <\/code><\/pre>\n<\/p>\n \u6dfb\u52a0\u6709\u610f\u4e49\u7684\u5750\u6807\u8f74\u6807\u7b7e\u548c\u56fe\u8868\u6807\u9898\u8ba9\u56fe\u5f62\u66f4\u6613\u4e8e\u7406\u89e3\u3002\u901a\u8fc7\u4fee\u6539 xlab="Time (months)",<\/p>\n ylab="Survival probability",<\/p>\n title="Kaplan-Meier Survival Curve")<\/p>\n <\/code><\/pre>\n<\/p>\n KM\u66f2\u7ebf\u53ef\u80fd\u6709\u591a\u7ec4\u6570\u636e\uff0c\u901a\u8fc7 legend.title="Group",<\/p>\n legend.labs=c("Treatment", "Control"),<\/p>\n legend="right")<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7 <\/code><\/pre>\n<\/p>\n \u5408\u5e76\u4ee5\u4e0a\u8ba8\u8bba\u7684\u4e0d\u540c\u53c2\u6570\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u66f4\u52a0\u5b9a\u5236\u5316\u548c\u4e13\u4e1a\u7684KM\u66f2\u7ebf\u56fe\uff1a<\/p>\n<\/p>\n palette="Dark2",<\/p>\n linetype="dashed",<\/p>\n xlab="Time (months)",<\/p>\n ylab="Survival probability",<\/p>\n title="Kaplan-Meier Survival Curve",<\/p>\n legend.title="Group",<\/p>\n legend.labs=c("Treatment", "Control"),<\/p>\n legend="right",<\/p>\n conf.int=TRUE,<\/p>\n conf.int.style="ribbon")<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e0a\u8ff0\u4ecb\u7ecd\u4e86\u4e0d\u540c\u7684\u53c2\u6570\u4ee5\u53ca\u5982\u4f55\u5bf9\u5b83\u4eec\u8fdb\u884c\u4fee\u6539\u4ee5\u7ed8\u5236KM\u66f2\u7ebf\u3002\u8fd9\u4e9b\u90fd\u80fd\u591f\u5e2e\u52a9\u7814\u7a76\u8005\u6839\u636e\u6570\u636e\u7684\u7279\u6027\u548c\u9700\u6c42\uff0c\u5b9a\u5236\u5316\u5730\u5448\u73b0\u7ed3\u679c\u3002<\/p>\n<\/p>\n \u5f53\u7136\uff0c\u8fd8\u6709\u5176\u4ed6\u591a\u79cd\u53c2\u6570\u53ef\u4ee5\u5728 1. \u5982\u4f55\u4fee\u6539R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u7684\u989c\u8272\uff1f<\/strong><\/p>\n \u7ed8\u5236KM\u66f2\u7ebf\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u53c2\u6570\u6765\u6539\u53d8\u66f2\u7ebf\u7684\u989c\u8272\u3002\u5728R\u8bed\u8a00\u4e2d\uff0c\u901a\u8fc7\u8bbe\u7f6e\u53c2\u6570col\u6765\u6307\u5b9a\u66f2\u7ebf\u7684\u989c\u8272\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528col = "red"\u5c06\u66f2\u7ebf\u7684\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272\u3002\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u989c\u8272\u540d\u79f0\u6216RGB\u989c\u8272\u7801\u6765\u6307\u5b9a\u4e0d\u540c\u7684\u989c\u8272\u3002<\/p>\n 2. \u5982\u4f55\u4fee\u6539R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u7684\u7ebf\u578b\uff1f<\/strong><\/p>\n \u9664\u4e86\u4fee\u6539\u989c\u8272\uff0c\u4f60\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u7ebf\u578b\uff08linetype\uff09\u53c2\u6570\u6765\u6539\u53d8R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u65f6\u7684\u7ebf\u578b\u3002\u53ef\u4ee5\u4f7f\u7528\u53c2\u6570lty\u6765\u6307\u5b9a\u66f2\u7ebf\u7684\u7ebf\u578b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528lty = 2\u53ef\u4ee5\u5c06\u66f2\u7ebf\u7684\u7ebf\u578b\u8bbe\u7f6e\u4e3a\u865a\u7ebf\uff0c\u800clty = 3\u53ef\u4ee5\u5c06\u66f2\u7ebf\u7684\u7ebf\u578b\u8bbe\u7f6e\u4e3a\u70b9\u865a\u7ebf\u3002<\/p>\n 3. \u5982\u4f55\u4fee\u6539R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u7684\u7ebf\u5bbd\uff1f<\/strong><\/p>\n \u5982\u679c\u4f60\u60f3\u6539\u53d8R\u8bed\u8a00\u7ed8\u5236KM\u66f2\u7ebf\u65f6\u7684\u7ebf\u6761\u7c97\u7ec6\uff0c\u53ef\u4ee5\u4f7f\u7528\u53c2\u6570lwd\u6765\u6307\u5b9a\u66f2\u7ebf\u7684\u7ebf\u5bbd\u3002lwd\u7684\u9ed8\u8ba4\u503c\u4e3a1\uff0c\u4f60\u53ef\u4ee5\u589e\u52a0\u6216\u51cf\u5c0f\u8be5\u503c\u6765\u6539\u53d8\u66f2\u7ebf\u7684\u7c97\u7ec6\u3002\u4f8b\u5982\uff0clwd = 2\u53ef\u4ee5\u5c06\u66f2\u7ebf\u7684\u7ebf\u5bbd\u8bbe\u7f6e\u4e3a2\uff0c\u4f7f\u5f97\u66f2\u7ebf\u770b\u8d77\u6765\u66f4\u52a0\u7c97\u7ec6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"R\u8bed\u8a00\u4e2d\u7ed8\u5236Kaplan-Meier\uff08KM\uff09\u751f\u5b58\u66f2\u7ebf\u7684\u5177\u4f53\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u751f\u5b58\u5206\u6790\u5305 survival \u548c\u56fe\u5f62 […]","protected":false},"author":3,"featured_media":180299,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/180285"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=180285"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/180285\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/180299"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=180285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=180285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=180285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}survival<\/code> \u548c\u56fe\u5f62\u5305 survminer<\/code> \u4fee\u6539\u3002\u53c2\u6570\u7684\u8c03\u6574\u4e3b\u8981\u5305\u62ec\uff1a\u6539\u53d8\u66f2\u7ebf\u989c\u8272\u3001\u8bbe\u7f6e\u7ebf\u578b\u3001\u4fee\u6539\u5750\u6807\u8f74\u6807\u7b7e\u3001\u6dfb\u52a0\u6807\u9898\u548c\u56fe\u4f8b\u3001\u8bbe\u7f6e\u7f6e\u4fe1\u533a\u95f4\u7684\u98ce\u683c<\/strong>\u3002\u8fd9\u4e9b\u8c03\u6574\u80fd\u4f7fKM\u66f2\u7ebf\u66f4\u5177\u53ef\u8bfb\u6027\uff0c\u66f4\u6613\u4e8e\u5728\u5b66\u672f\u8bba\u6587\u6216\u62a5\u544a\u4e2d\u5c55\u793a\u3002<\/p>\n<\/p>\n\u4e00\u3001\u5b89\u88c5\u5e76\u52a0\u8f7d\u5fc5\u8981\u7684\u5305<\/h3>\n<\/p>\n
survival<\/code>\u548csurvminer<\/code>\u5305\u3002\u82e5\u5c1a\u672a\u5b89\u88c5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\ninstall.packages("survival")<\/p>\nlibrary(survival)<\/p>\n\u4e8c\u3001\u521b\u5efa\u751f\u5b58\u5bf9\u8c61<\/h3>\n<\/p>\n
Surv<\/code>\u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6709\u5173\u65f6\u95f4\u548c\u4e8b\u4ef6\u7684\u6570\u636e\u3002\u5047\u8bbe\u65f6\u95f4\u53d8\u91cf\u4e3atime<\/code>\uff0c\u4e8b\u4ef6\u53d1\u751f\u6307\u793a\u53d8\u91cf\uff08\u901a\u5e38\u662f0\u548c1\uff09\u4e3astatus<\/code>\u3002<\/p>\n<\/p>\nsurv_obj <- Surv(time, status)<\/p>\n\u4e09\u3001\u62df\u5408KM\u751f\u5b58\u6a21\u578b<\/h3>\n<\/p>\n
survfit()<\/code>\u51fd\u6570\u62df\u5408KM\u6a21\u578b\uff1a<\/p>\n<\/p>\nfit <- survfit(surv_obj ~ 1)<\/p>\n\u56db\u3001\u7ed8\u5236\u57fa\u7840KM\u66f2\u7ebf<\/h3>\n<\/p>\n
ggsurvplot(fit)<\/p>\n\u4e94\u3001\u4fee\u6539\u66f2\u7ebf\u989c\u8272\u548c\u7ebf\u578b<\/h3>\n<\/p>\n
palette<\/code>\u548clinetype<\/code>\uff0c\u53ef\u4ee5\u4fee\u6539\u66f2\u7ebf\u7684\u989c\u8272\u548c\u7ebf\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nggsurvplot(fit, palette="Dark2", linetype="dashed")<\/p>\n\u516d\u3001\u8c03\u6574\u5750\u6807\u8f74\u6807\u7b7e\u548c\u6807\u9898<\/h3>\n<\/p>\n
xlab<\/code>\u3001ylab<\/code>\u548ctitle<\/code>\u53c2\u6570\uff0c\u53ef\u4ee5\u8bbe\u7f6eX\u8f74\u548cY\u8f74\u6807\u7b7e\u4ee5\u53ca\u6807\u9898\uff1a<\/p>\n<\/p>\nggsurvplot(fit,<\/p>\n\u4e03\u3001\u6dfb\u52a0\u56fe\u4f8b\u540d\u79f0\u548c\u4f4d\u7f6e<\/h3>\n<\/p>\n
legend.title<\/code>\u548clegend.labs<\/code>\u53ef\u4ee5\u6dfb\u52a0\u56fe\u4f8b\u6807\u9898\u548c\u6807\u7b7e\uff0clegend<\/code>\u53c2\u6570\u5219\u7528\u4e8e\u6307\u5b9a\u56fe\u4f8b\u4f4d\u7f6e\uff1a<\/p>\n<\/p>\nggsurvplot(fit,<\/p>\n\u516b\u3001\u8bbe\u7f6e\u7f6e\u4fe1\u533a\u95f4\u98ce\u683c<\/h3>\n<\/p>\n
conf.int<\/code>\u53c2\u6570\u4e3aKM\u66f2\u7ebf\u6dfb\u52a0\u7f6e\u4fe1\u533a\u95f4\uff0c\u5e76\u901a\u8fc7conf.int.style<\/code>\u9009\u62e9\u7f6e\u4fe1\u533a\u95f4\u7684\u663e\u793a\u98ce\u683c\uff0c\u5982ribbon<\/code>\uff08\u5e26\u72b6\uff09\u3001step<\/code>\uff08\u9636\u68af\u72b6\uff09\uff1a<\/p>\n<\/p>\nggsurvplot(fit, conf.int=TRUE, conf.int.style="ribbon")<\/p>\n\u4e5d\u3001\u5b9a\u5236\u5316\u8bbe\u7f6e\u7684\u7ec4\u5408\u5e94\u7528<\/h3>\n<\/p>\n
ggsurvplot(fit,<\/p>\nggsurvplot()<\/code>\u51fd\u6570\u4e2d\u4f7f\u7528\uff0c\u6b64\u5916\uff0c\u4f7f\u7528ggplot2\u57fa\u672c\u8bed\u6cd5\u53ef\u4ee5\u5728\u6b64\u57fa\u7840\u4e0a\u8fdb\u884c\u66f4\u6df1\u5c42\u6b21\u7684\u5b9a\u5236\u3002\u7814\u7a76\u8005\u53ef\u4ee5\u6839\u636e\u6240\u9700\u5c55\u793a\u7684\u5177\u4f53\u4fe1\u606f\uff0c\u8fdb\u4e00\u6b65\u8c03\u6574\u989c\u8272\u65b9\u6848\u3001\u5b57\u4f53\u5927\u5c0f\u3001\u56fe\u5f62\u5927\u5c0f\u4ee5\u53ca\u5176\u4ed6\u56fe\u5f62\u5143\u7d20\uff0c\u4ee5\u6e05\u6670\u6709\u6548\u5730\u5448\u73b0\u751f\u5b58\u6570\u636e\u3002<\/p>\n<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n