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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Surgery. 2010 Mar 12;148(3):559–566. doi: 10.1016/j.surg.2010.01.015

Table 3. Overall, inpatient, and post-discharge outcomes according to Surgical Apgar Score.

Surgical Apgar Score p value (trend)
0 – 4 5 – 6 7 – 8 9 – 10

Overall Outcomes <0.001
 # of operations 49 186 406 154

 % complications 67% 37% 25% 18%

 Relative risk (95% CI) 2.7 (2.1–3.5) 1.5 (1.2–1.9) Reference 0.7 (0.5–1.0)


 p value <0.001 0.002 0.06

Inpatient Outcomes <0.001
 % pre-discharge complications 57% 27% 21% 15%

 Relative risk (95% CI) 2.8 (2.0–3.8) 1.3 (1.0–1.8) Reference 0.7 (0.5–1.1)


 p value <0.001 0.09 0.12

Post-Discharge Outcomes <0.001
 # discharged without complications 21 136 322 131

 % post-discharge complications 24% 14% 5% 3%

 Relative risk (95% CI) 4.5 (1.8–11.0) 2.6 (1.4–4.9) Reference 0.6 (0.2–1.7)


 p value <0.001 0.002 0.31