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 |