From: Exploratory laparotomy during the battle of Mosul, 2016–2017: results from a tertiary civilian hospital in Erbil, Iraqi Kurdistan
Coefficient
R2
P-value
Linear Regression of NISSa on LOSb
Univariate
0.47
0.26
< 0.001
Multivariated
0.37
0.35
0.008
Linear Regression of NISS on ICUc LOS
0.01
0.002
0.9
-0.01
0.5