Table 2 Outcomes of the primary and secondary indicators

Cure rate of complication-free treatment at 1 year

69.4%(468/674)

88.8%(609/686)

0.81(0.73–0.91)

3.65

0.000 < 0.05

Total complications

3.9%(50/1270)

9.5%(119/1257)

0.43(0.31–0.58)

5.36

0.000 < 0.05

4.8%(30/631)

14.5%(91/626)^a

0.34(0.23–0.49)

5.55

0.000 < 0.05

3.1%(20/639)

4.4%(28/631)^b

0.72(0.41–1.24)

1.19

0.236

Complications after appendectomy

9.5%(119/1257)

11.9%(47/394)

1.38(0.70–2.73)

0.93

0.353

Therate of complicated appendicitis formed after treatments

5%(63/1264)

9.9%(128/1289)

0.71(0.36–1.42)

0.96

0.338

The rate of appendectomy with non-appendicitis

4.2%(30/721)

3.7%(27/732)

1.11(0.69–1.79)

0.43

0.670

Length of hospital stay

NA

NA

0.08(-0.11-0.27)^c

0.80

0.422

Quality of life after treatments

NA

NA

0.09(-0.03-0.20)^c

1.53

0.127

The effect of appendicoliths on the effectiveness of antibiotic treatment

38.1%(101/265)^d

18.9%(140/740)^e

2.94(1.28–6.74)

2.55

0.011 < 0.05