Table 2.
Characteristics of neuraxial anesthesia techniques
| Variables | P Group (n = 100) | D Group (n = 100) | C Group (n = 100) | P-value | Effect size | |||
|---|---|---|---|---|---|---|---|---|
| Measures | P/D | P/C | D/C | |||||
| Peak sensory block level; (median [range]) | T5 (T4-T8) | T5 (T4-T8) | T6 (T4-T8) | §0.103 | Not applicable | |||
| Time to peak sensory block level; (min) | 7.1 (0.6) a | 4.7(0.6) b | 6.9 (0.7) a | ^< 0.001* |
M (SE) 95% CI |
2.4 (0.1) 2.2–2.6 |
0.2 (0.1) 0.0–0.4 |
−2.2 (0.1) −2.4 – −2.0 |
| Time to two-segments regression; (min) | 78.9 (1.7) a | 78.3 (2) a | 66.5 (1.6) b | ^< 0.001* |
M (SE) 95% CI |
0.5 (0.3) 0.0–1.1 |
12.4 (0.2) 11.9–12.8 |
11.8 (0.3) 11.3–12.3 |
| Time to reach complete motor block; min | 8.7 (0.4) | 8.7 (0.4) | 8.8 (0.5) | ^0.069 |
M (SE) 95% CI |
0.1 (0.1) −0.1–0.2 |
−0.1 (0.1) − 0.2–0.0 |
−0.1 (0.1) − 0.3–0.0 |
| Duration of motor block; (min) | 137.5 (2.4) | 137.1 (2) | 136.9 (2.1) | ^0.132 |
M (SE) 95% CI |
0.4 (0.3) −0.2–1.0 |
0.6 (0.3) 0.0–1.3 |
0.3 (0.3) −0.3–0.8 |
| Time to first analgesic rescue; (min) | 339.9 (8.3) a | 337.4 (8.8) a | 217.6 (9.5) b | ^< 0.001* |
M (SE) 95% CI |
2.5 (1.2) 0.1–4.9 |
122.3 (1.3) 119.8–124.8 |
119.7 (1.3) 117.2–122.3 |
^ANOVA test. §Kruskal-Wallis test. Homogenous groups had the same symbol (a,b) by post hoc Bonferroni test. *Significant. CI: Confidence interval. Data were presented as mean and standard deviation or mean and standard error when applicable. M mean, SE standard error, CI confidence interval