- Procedural time and dermatome spread of sensory block between groups.
| Characteristics | Group E (n=27) | Group ES (n=27) | P-value |
|---|---|---|---|
| Procedural time (sec) | 145.0 (105.0, 170.0) | 130.0 (97.0, 140.0) | 0.139a |
| Tip of catheter | 1.000b | ||
| T4 | 10 | 9 | |
| T5 | 13 | 14 | |
| T6 | 3 | 4 | |
| T7 | 1 | 0 | |
| Dermatome range of sensory 1 hr after loading dose | 5.0 (4.0, 6.0) | 4.0 (4.0, 5.0) | 0.016 a |
Continuous variables were presented as the median with interquartile range (Q1, Q3) and analyzed using the Mann–Whitney U test (a). Categorical data were reported as absolute numbers and analyzed using the Mantel–Haenszel trend‐test (b).