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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: J Surg Res. 2015 Nov 30;201(2):432–439. doi: 10.1016/j.jss.2015.11.051

Table 3. Evaluation of Potential Confounding Factors.

No differences between time periods were noted in regards to patient demographics, ASA class, or case mix.

Confounding Factor Pre-Debrief Post-Debrief P value

Operation (n)
Appy w/perf 27 20 0.917
Appy w/o perf 67 49
Gastrostomy 38 35
Hernia 47 36
Interval Appy 3 2
Nissen fundoplication 1 0
Wound Class (n) 49 6 0.986
Clean 47 38
Clean-contaminated 60 48
Contaminated 27 20
Dirty or Infected
ASA (n) 76 40 0.085
1 74 68
2 30 32
3 3 2
4
106.78 ± 56.1 104.46 ± 46.27.78 ± 0.691
OR time (min) 7.02 ± 5.99 5.58 0.253
Age (yrs)