Table 5 Multivariate logistic regression analysis of factors that affected unfavorable outcomes

EDLOS > 4 h

4.05 (2.25–7.3)

2.62 (1.33–5.14)

0.005

Vital signs

 DBP < 80 mmHg

2.7 (1.54–4.73)

3.31 (1.71–6.4)

 < 0.001

 RR ≥ 24 breaths/min

1.59 (0.95–2.66)

2.03(1.07–3.86)

0.031

Abdominal signs

 RLQ tenderness

3.34 (1.95–5.73)

3.72 (1.89–7.32)

 < 0.001

 Abdominal distension

2.12 (1.13–3.97)

2.91 (1.29–6.57)

0.01

 Hypoactive bowel sounds

3.73 (1.71–8.16)

2.89 (1.09–7.67)

0.033

 Presence of specific abdominal signs

2.1 (1.24–3.54)

2.07 (1.1–3.88)

0.024

Laboratory results

 WBC count ≥ 12,000 cells/mm³

3.39 (2–5.74)

2.37 (1.22–4.6)

0.011

 ANC > 75%

4.4 (2.44–7.93)

2.83 (1.39–5.75)

0.004