Table 2: Relation of duration of symptoms to the successful reduction.

 

Duration of symptoms

Total

(n = 56)

ANOVA

< 24 hr (n = 20)

24-48 hr (n = 25)

48-27 hr (n = 11)

Success rate

After 1 trial

14(70%)

3(12%)

1(9.1%)

18(32.1%)

0.000**

After 2 trials

5(25%)

13(52%)

2(18.1%)

20(35.7%)

0.111

After 3 trials

0

4(16%)

2(18%)

6(10.7%)

0.013*

Total (%)

19(95%)

20(80%)

5(45.4%)

44(78.5%)

0.001**

Failed (%)

1(5%)

5(20%)

6(54.5%)

12(21.4%)

 

*Statistically significant when p value > 0.05; **Statistically significant when p value > 0.01

ANOVA: Analysis of Variance.