Table 2 Intraoperative characteristics of patients who underwent spinal anesthesia, 2017
From: Incidence and risk factors of postdural puncture headache: prospective cohort study design
Variables | Category | Frequency | Percentage |
|---|---|---|---|
Needle size | 18 | 39 | 26.0 |
21 | 40 | 26.7 | |
22 | 14 | 9.3 | |
24 | 13 | 8.7 | |
25 | 44 | 29.3 | |
Position | Sitting position | 141 | 94.0 |
Lateral position | 9 | 6.0 | |
Number of drop | Less than or equal to three | 68 | 45.3 |
Greater than three | 82 | 54.7 | |
Number of attempts | One | 50 | 33.3 |
Two | 69 | 46.0 | |
Greater than two | 31 | 20.7 |