Table 1 Patients and clinical characteristics of the three studied groups
Characteristics | Group C (n = 21) | Group S (n = 21) | Group NAG (n = 21) | P value |
|---|---|---|---|---|
Age (years) | 26.1 ± 4.15 | 26.24 ± 4.04 | 26.14 ± 4.26 | 0.994 |
BMI (kg/m2) | 26.71 ± 3.21 | 26.71 ± 2.92 | 26.38 ± 3.07 | 0.921 |
Preoperative hemoglobin level (g/dL) | 10 ± 0.94 | 9.89 ± 0.94 | 9.99 ± 0.97 | 0.907 |
Number of spinal attempts | ||||
One attempt, number (%) | 18 (85.7%) | 18 (85.7%) | 18 (85.7%) | 0.760 |
Two attempts, number (%) | 2 (9.5%) | 3 (14.3%) | 1 (4.8%) | |
Three attempts, number (%) | 1 (4.8%) | 0 (0%) | 2 (9.5%) | |
Estimated intra-operative blood loss (mL) | 1000 ± 142.3 | 1003.8 ± 149.18 | 971.43 ± 166.26 | 0.756 |
Time interval between LP and PDPH occurrence (hour) | 19 ± 7.46 | 17.14 ± 6.51 | 20.19 ± 7.76 | 0.396 |