Clinical Prediction Score for Ruptured Appendicitis in ED

Table 4

Comparison of risk factors for ruptured appendicitis in suspected acute appendicitis patients by various studies.

Risk predictor	Sirikurnpiboon and A mornpornchareon[5]	Sheu et al. [6]	RAMA WeRA study
Age > 60 years	—	1.05 (1.02–1.07)	2.2 (1.20–4.02)
Fever	1.97 (1.03–3.78)	2.59 (1.78–3.77)	2.28 (1.26–4.12)
Guarding	—	—	3.78 (2.16–6.62)
PMN	—	2.34 (1.27–4.32)	2.31 (1.33–8.52)
Duration to ER	4.21 (2.22–7.98)	1.23 (1.11–1.36)	6.60 (2.28–19.16)
Anorexia	1.90 (1.03–3.52)	2.03 (1.38–2.99)	1.10 (0.62–1.98)
Gender, male	2.47 (1.31–4.63)	1.96 (1.02–1.07)	1.08 (0.61–1.93)