Table 5.

Binary logistic regression of risk factors for IAH or ACS (n = 489)

	p value	Odds ratio	95% confidence interval
BMI (per unit)	< 0.01	1.08	1.03–1.13
Admission type
Elective abdominal surgery	< 0.01
Emergency abdominal surgery	< 0.01	2.80	1.61–4.87
Non-surgical	< 0.01	8.90	3.62–21.90
Apache IV score (per unit)	< 0.01	1.03	1.02–1.04
Mechanical ventilation at admission (yes/no)	< 0.01	3.52	2.08–5.96

IAH intra-abdominal hypertension, ACS Abdominal Compartment Syndrome, BMI Body Mass Index

^*The odds ratio for IAH or ACS was 2.8 in emergency abdominal surgery compared to elective abdominal surgery and 8.9 in the non-surgical group compared to elective abdominal surgery