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ssiapl.htm

Appendix L. Final data sheet submitted by each site that included the list of potential SSI risk factors and other pertinent variables

11/Aug/2010

Column HeadingValue TypeDescriptionTypei
Admit_srcCharacterSource of admissioniiE
Icu_admitNumeric1 if admitted from OR to ICU, else 0E
Inpat_surgNumeric1 if inpatient surgery, else 0E
Outpat_surgNumeric1 if outpatient surgery, else 0E
AgeNumeric (yrs)Patient age, yearsP
BMINumericBody Mass Index before surgeryP
CA_hxNumericListed ICD9 codeiii w/ decimal, for the disease, else 0P
ch_kidney_dxCharacterListed ICD9 codeiii, w/ decimal, for the disease, else 0P
ch_lung_dxCharacterListed ICD9 codeiii, w/ decimal, for the disease, else 0P
COPD_hxNumericListed ICD9 codeiii, w/ decimal, for the disease, else 0P
diabetesCharacterListed ICD9 codeiii, w/ decimal, for the disease, else 0P
DVTNumeric1 if pat. developed DVT related to surgery within 90daysP
HypocholestCharacterListed ICD9 codeiii, w/ decimal, for the disease, else 0P
MRSANumericHx of MRSAP
PatidNumericRandom or sequential de-identified number with prefixivP
PayerNumericPayer/insurance type (govt=2, nongovt=1, none=0)P
Postop_hematocritNumericFirst hematocrit value after surgeryP
Postop_admitNumericHospital admission after surgery within 30 days=1, else 0P
Preop_hematocritNumericLatest hematocrit value just before surgeryP
Preop_hemoglobNumericLatest hemoglobin value just before surgeryP
Postop_hemoglobNumericFirst hemoglobin value after surgeryP
Preop_stayNumeric (days)Days from admission to surgery start dayP
Proeop_albuminNumericLast albumin value before surgery start timeP
Rheum-dxCharacterListed ICD9 codeiii, w/ decimal, for the disease, else 0P
SexCharacterM or FP
SSINumeric1 if pat. had a SSI as a result of this surgery, else 0P
Abx_dcNumeric1 if yes…0 if no*S
ASANumericASA scoreS
EmergentNumeric1 if emergency surgery, else 0S
General_anesNumeric1 if yes…0 if noS
No_proceduresNumeric (count)Number of procedures during same operationS
Surg_date/timeDateDate and time of surgeryS
Surg_durNumericSurgery duration, minutesS
Surg_procCharacterSurgical procedure (TH, TK, CA, HE, AP)S
Surgeon_exNumeric (yrs)Number of years surgeon has been practicingS
Wnd_classNumeric1-4S

* Abx d/c within 48 hrs for CABG and within 24 hrs for TH, TK, HE, AP

i E = environmental factor, P = patient specific, S = surgery specific.
ii Refer to Admission_Source_Table
iii Refer to SSI Risk Tool Comorbidities ICD9 Codes table

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Current as of December 2012
Internet Citation: ssiapl.htm. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ssi/ssiapl.html