Table 1 Difference between the two studied groups according to demographic data and operative duration
Group A N = 20 | Group B N = 20 | Test of significance | P | ||
|---|---|---|---|---|---|
Age at operation (month) | Min–Max | 6.0 – 72.0 | 12.0 – 60.0 | U = 151.50 | 0.192 |
Mean ± SD | 28.0 ± 21.77 | 31.80 ± 12.63 | |||
Median (IQR) | 18.0 (12.0 – 48.0) | 30.0 (24.0 – 36.0) | |||
Weight at operation (Kg) | Min–Max | 8.0 – 30.0 | 13.0 – 35.0 | U = 139.50 | 0.102 |
Mean ± SD | 17.70 ± 7.22 | 20.40 ± 5.56 | |||
Median (IQR) | 16.0 (11.5 – 25.0) | 18.50 (17.5 – 23.0) | |||
Operative duration (min) | Min – Max | 35.0 – 60.0 | 20.0 – 40.0 | U = 4.0* | < 0.001* |
Mean ± SD | 45.50 ± 6.67 | 22.90 ± 4.58 | |||
Median (IQR) | 45.0 (40.0 – 47.5) | 22.0 (20.0 – 25.0) |