From: Incidence and risk factors of postdural puncture headache: prospective cohort study design
Variables | Category | Frequency | Percentage |
---|---|---|---|
Age in years | 18–24 | 34 | 22.7 |
25–29 | 80 | 53.3 | |
30–34 | 30 | 20.0 | |
35–39 | 6 | 4.0 | |
Parity | Primigravida | 53 | 35.3 |
Multigravida | 97 | 64.7 | |
ASA class | Class I | 145 | 96.7 |
Class II | 5 | 3.3 | |
BMI | Underweight | 8 | 5.3 |
Normal | 124 | 82.7 | |
Overweight | 18 | 12.0 | |
Previous history of anesthesia | No | 119 | 79.3 |
Yes | 31 | 20.7 |