Odds ratio	95% CI	p value
Female (vs. male)	0.52	0.20–1.40	0.2344
Abnormal temperature on admission	1.58	0.59–4.16	0.4018
Abnormal respiratory rate on admission	1.20	0.26–4.64	0.6841
Abnormal heart rate on admission	0.95	0.36–2.41	> 0.9999
DOS Temperature	2.29	0.88–5.99	0.1433
RIF peritonism	3.09	0.74–13.75	0.1742
CT free fluid	2.28	0.51–12.15	0.4251
Perforated appendix	10.36	1.79 to 109.6	0.0046
Histology: inflamed	0.89	0.05–15.86	> 0.9999
Histology: suppurative	0.32	0.019–5.44	0.3837
Histology: gangrenous and perforated	4.11	0.24–69.5	0.3979