{ "_id": "6ab23e223d719c1f8408ac20", "Package": "possum", "Type": "Package", "Title": "Surgical Risk Prediction with the POSSUM Score Family", "Version": "0.1.0", "Authors@R": "c(\nperson(\"Christos\", \"Longros\", email = \"chris.longros@gmail.com\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0009-0001-2717-0857\")),\nperson(\"Daniel Enrique\", \"Chourio Barboza\", role = \"aut\"))", "Description": "Computes the Physiological and Operative Severity Score\nfor the enUmeration of Mortality and morbidity (POSSUM), its\nPortsmouth modification (P-POSSUM), and the colorectal\n(CR-POSSUM), vascular (V-POSSUM) and ruptured aortic aneurysm\n(RAAA-POSSUM) variants, risk-adjustment systems used in\nsurgical audit. Functions map physiological and operative\nvariables to their component scores and return the predicted\nprobabilities of morbidity and mortality from the published\nlogistic equations. The coefficients follow Copeland and others\n(1991) for POSSUM, Prytherch and\nothers (1998) for\nP-POSSUM, Tekkis and others (2004) for\nthe colorectal variant (CR-POSSUM), and Neary and others (2003)\n for the vascular variant (V-POSSUM). The\npackage is intended for audit and research; it is not a\nvalidated medical device and must not be used as the sole basis\nfor clinical decisions.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "URL": "https://github.com/chrislongros/possum", "BugReports": "https://github.com/chrislongros/possum/issues", "Config/roxygen2/version": "8.0.0", "Repository": "https://chrislongros.r-universe.dev", "Date/Publication": "2026-07-18 10:19:51 UTC", "RemoteUrl": "https://github.com/chrislongros/possum", "RemoteRef": "HEAD", "RemoteSha": "c192e4b0592fe877ffe7312c938711fd0d519924", "NeedsCompilation": "no", "Packaged": { "Date": "2026-09-22 08:34:22 UTC", "User": "root" }, "Author": "Christos Longros [aut, cre] (ORCID:\n),\nDaniel Enrique Chourio Barboza [aut]", "Maintainer": "Christos Longros ", "_user": "chrislongros", "_type": "src", "_file": "possum_0.1.0.tar.gz", "_fileid": "https://r2.ropensci.org/7ebb0b0c5a7c42b4d202da1c6724011e7b482c74a3c09ea1798ee37570bb8fe0", "_filesize": 149525, "_sha256": "7ebb0b0c5a7c42b4d202da1c6724011e7b482c74a3c09ea1798ee37570bb8fe0", "_expires": "2026-12-31T08:36:48.000Z", "_created": "2026-09-22T08:34:22.000Z", "_published": "2026-09-22T08:36:50.678Z", "_jobs": [ { "job": 106673497717, "time": 107, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "10684755944" }, { "job": 106673497610, "time": 114, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "10683898533" }, { "job": 106673497589, "time": 77, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "10684636064" }, { "job": 106673497573, "time": 82, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "10684099651" }, { "job": 106672812101, "time": 134, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "10683853315" }, { "job": 106673497592, "time": 86, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "10683883524" }, { "job": 106673497567, "time": 61, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "10684088035" }, { "job": 106673497604, "time": 47, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "10683858541" }, { "job": 106673497676, "time": 55, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "10683768648" } ], "_host": "GitHub-Actions", "_buildurl": "https://github.com/r-universe/chrislongros/actions/runs/35705324133", "_status": "success", "_upstream": "https://github.com/chrislongros/possum", "_commit": { "id": "c192e4b0592fe877ffe7312c938711fd0d519924", "author": "Christos Longros ", "committer": "Christos Longros ", "message": "Handle inputs the score can't really use\n\nReject unit-slip values (hb in g/L, urea in mg/dL) with upper limits on\nthe raw inputs; blood loss stays unbounded. possum_risk() now scores\neach row on its own, so one bad row returns NA and warns.\n", "time": 1784369991 }, "_maintainer": { "name": "Christos Longros", "email": "chris.longros@gmail.com", "login": "chrislongros", "mastodon": "@chrislongros@mastodon.social", "description": "Medical Doctor -\nUNIX, open source and spaced repetition learning enthusiast", "uuid": 98426896, "orcid": "0009-0001-2717-0857" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "stats", "role": "Imports" }, { "package": "tinytest", "role": "Suggests" } ], "_owner": "chrislongros", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2026-28", "n": 14 }, { "week": "2026-29", "n": 1 } ], "_tags": [], "_stars": 1, "_contributors": [ { "user": "chrislongros", "count": 15, "uuid": 98426896 } ], "_userbio": { "uuid": 98426896, "type": "user", "name": "Christos Longros", "followers": 14, "description": "Medical Doctor -\r\nUNIX, open source and spaced repetition learning enthusiast" }, "_downloads": { "count": 196, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/possum" }, "_devurl": 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"cr_possum_physiology" ] }, { "page": "p_possum", "title": "P-POSSUM predicted mortality", "topics": [ "p_possum" ] }, { "page": "possum", "title": "POSSUM predicted morbidity and mortality", "topics": [ "possum" ] }, { "page": "possum_operative", "title": "POSSUM operative severity score", "topics": [ "possum_operative" ] }, { "page": "possum_physiology", "title": "POSSUM physiological score", "topics": [ "possum_physiology" ] }, { "page": "possum_risk", "title": "POSSUM and P-POSSUM risk for a table of patients", "topics": [ "possum_risk" ] }, { "page": "raaa_possum", "title": "RAAA-POSSUM predicted mortality (ruptured abdominal aortic aneurysm)", "topics": [ "raaa_possum" ] }, { "page": "v_possum", "title": "V-POSSUM predicted mortality (vascular)", "topics": [ "v_possum" ] } ], "_readme": "https://github.com/chrislongros/possum/raw/HEAD/README.md", "_rundeps": [], "_score": 3.9684829485539352, "_indexed": true, "_nocasepkg": "possum", "_universes": [ "chrislongros" ], "_binaries": 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