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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Dis Colon Rectum. 2017 Jan;60(1):96–106. doi: 10.1097/DCR.0000000000000715

Table 3. List of cases added to Hospital 1 NHSN denominator CPT, name, SSI rate.

Hospital 1 Hospital 2
NHSN Cases from Hospital 1- CPT description # of cases # of SSI SSI Rate # of cases # of SSI SSI Rate
Colectomy CPT 1554 148 9.5% 1228 122 9.9%
Misc Bowel surgery - not colectomy or proctectomy CPT 161 22 13.7% 7 1 14.3%
Proctectomy 103 10 9.7% 128 5 3.9%
Small Intestine 30 7 23.3% 246 18 7.3%
Flap 5 2 40.0% 6 1 16.7%
Misc UGI/Stomach/Esophagus 5 0 0.0% 27 1 3.7%
Uro/GYN 5 2 40.0% 22 2 9.1%
Appendectomy 4 0 0.0% 3 0 0%
Misc Rectal 4 0 0.0% 14 0 0%
Hepatectomy 2 0 0.0% 15 2 13.3%
Pancreatectomy 2 0 0.0% 16 1 6.3%
Unlisted Proc Abdomen 2 0 0.0% 86 8 9.3%
Explore Abdomen 1 0 0.0% 3 0 0%
Hernia Inguinal 1 0 0.0% 1 1 100%
Misc - mouth/throat/esophagus proc. 1 1 100.0% 2 0 0%
Windpipe/Airway Procedures 1 1 100.0% 0 0 0%
Colostomy only 0 0 0% 142 1 0.7%
Unable to obtain details 0 0 0% 98 3 3.1%
Grand Total 1881 193 10.3% 2044 166 12.3%
NHSN COLO Cases Matched to NSQIP Colectomy Cases n % of NHSN Cases % of NSQIP Cases n % of NHSN Cases % of NSQIP Cases
 Matched Denominator Cases - NSQIP and NHSN 1309 69.6% 88.4%
 Didn't Match - were in NHSN COLO and NOT NSQIP Colectomy 572 30.4%
 Didn't Match that had a Colectomy CPT billed 251
 Didn't Match - were in NSQIP Colectomy and NOT NHSN COLO 171 11.6%
NHSN Infection Cases Matched to NSQIP n % of NHSN Infection Cases % of NSQIP Infection Cases n % of NHSN Cases % of NSQIP Cases
Matched Numerator Cases - NSQIP and NHSN - infections 80 41.5% 67.8%
Unmatched to any NSQIP case 78 40.4%
Unmatched to NSQIP w/ no Colectomy CPT 43 22.3%
Matched to NSQIP case but NOT infection in NSQIP 35 18.1%
NSQIP SSI not matched to NHSN Infection List 38 32.2%