Variable (Continuous) | n | Mean | SD | Minimum | Maximum |
Maternal Age (years) | 90 | 29.1 | 5.7 | 19 | 46 |
Infant’s weight (gram) | 89 | 3383.4 | 536.1 | 2100 | 4825 |
Infant’s head circumference (cm) | 87 | 34.2 | 1.6 | 30 | 38 |
Second stage (minutes) | 89 | 147.2 | 125.7 | 5 | 518 |
Active pushing (minutes) | 76* | 105.9 | 85.8 | 5 | 312 |
Passive pushing (minutes) | 76* | 44.5 | 73.2 | 0 | 307 |
Variable (Categorical) | Frequency % | ||||
Anal tear | 90 | 27 | 30.0 | ||
Epidural | 90 | 72 | 80.0 | ||
Episiotomy | 90 | 17 | 18.9 | ||
Oxytocin | 90 | 53 | 58.9 | ||
Vacuum | 90 | 5 | 5.6 | ||
Forceps | 90 | 2 | 2.2 |