Table 1 Demographic and clinical characteristics based on the success rates of the epidural insertion
Success | Total N = 100 | ||
|---|---|---|---|
Variable | First Attempt N = 92 | Not First Attempt N = 8 | |
Race, n (%) | |||
Chinese | 51 (55.4) | 05 (62.5) | 056 (56.0) |
Indian | 12 (13.0) | 00 | 012 (12.0) |
Malay | 12 (13.0) | 01 (12.5) | 013 (13.0) |
Others | 17 (18.5) | 02 (25.0) | 019 (19.0) |
Age (Years), mean (SD) | 33.5 (5.79) | 36.4 (12.9) | 033.7 (6.57) |
Weight (kg), mean (SD) | 69.2 (9.43) | 66.0 (6.34) | 69.0 (9.24) |
Height (m), mean (SD) | 1.6 (0.06) | 1.6 (0.03) | 1.6 (0.06) |
BMI (kg/m2), mean (SD) | 28.1 (3.16) | 26.4 (2.34) | 28.0 (3.13) |
Level of scan operator Consultant, n (%) | 92 (100) | 8 (100) | 100 (100) |
Skin to posterior complex depth (mm), mean (SD) | 44.7 (6.3) | 39.6 (6.7) | 44.3 (6.5) |