Table 6  Comparison of treatment outcomes between the two groups

Reoperation, n (%)

 Yes

16 (10.5)

6 (5.6)

10 (22.2)

7.73^a

0.00^*

 No

137 (89.5)

102 (94.4)

35 (77.8)

Missed diagnosis, n (%)

 Yes

27 (17.6)

11 (10.2)

16 (35.6)

14.07

0.00^*

 No

126 (82.4)

97 (89.8)

29 (64.4)

Days of symptom relief,

mean ± SD

2.61 ± 1.48

2.39 ± 1.34

3.13 ± 1.69

4.92

0.01^*

Length of stay(days),

mean ± SD

11.35 ± 5.25

10.76 ± 4.94

12.76 ± 5.73

− 2.17

0.03^*

Duration of surgery(mins),

mean ± SD

52.48 ± 28.86

48.04 ± 23.53

59.33 ± 28.46

− 2.54

0.01^*

Total cost of hospitalization (¥),

mean ± SD

13147.65 ± 6829.33

12913.37 ± 6904.07

13709.91 ± 6689.21

− 0.66

0.51

Pearson χ2 test, continuity χ2 test and Student-t test were used for analysis

SD standard deviation

^aContinuity χ2 test

^*Statistically significant