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. Author manuscript; available in PMC: 2017 Sep 9.
Published in final edited form as: J Surg Oncol. 2016 May 4;114(2):157–162. doi: 10.1002/jso.24276

TABLE II.

Brier Score Comparisons by ICD-9 Diagnosis

Benign neoplasms Pancreatic adenocarcinoma Ampullary carcinoma Chronic pancreatitis




Outcomes n BS BS–NM n BS BS–NM n BS BS–NM n BS BS–NM
Major complication 33 0.2322 0.2211 27 0.1924 0.1971 38 0.2617 0.2456 25 0.1837 0.1875
Any complication 35 0.2176 0.2275 30 0.2040 0.2100 47 0.2730 0.2491 32 0.2114 0.2176
Pneumonia 6 0.0559 0.0564 6 0.0542 0.0564 8 0.0726 0.0736 4 0.0379 0.0384
Cardiac complication 0 0.0003 0.0000 2 0.0194 0.0520 0 0.0021 0.0000 1 0.0099 0.0099
SSI complication 19 0.1478 0.1539 19 0.1496 0.1539 31 0.2363 0.2139 15 0.1294 0.1275
UTI 5 0.0476 0.0475 4 0.0379 0.0384 7 0.0657 0.0651 2 0.0192 0.0196
VTE 2 0.0195 0.0196 1 0.0101 0.0099 3 0.0294 0.0291 6 0.0577 0.0564
Renal complication 2 0.0103 0.0198 2 0.0005 0.0198 1 0.0005 0.0100 1 0.0003 0.0100
Return to OR 6 0.0565 0.0001 5 0.0470 0.0002 7 0.0646 0.0001 8 0.0733 0.0001
Death 2 0.0198 0.0196 3 0.0286 0.0291 0 0.0006 0.0000 3 0.0292 0.0291
Discharge to nursing home or rehab 4 0.0916 0.0912 8 0.1420 0.1709 8 0.1503 0.1631 1 0.0252 0.0203

BS, Brier score; NM, Null model.