Table 2.
Sensory and motor block characteristics
| Parameter | Group RD (n=30) | Group RN (n=30) | P |
|---|---|---|---|
| Sensory block onset (min) | 9.94±6.7 | 7.60±4.7 | 0.123 |
| Max. sensory block level (Smax)* | T6 [T6-T8] | T8 [T6-T8] | 0.344 |
| Tmax (min) | 21.03±14.4 | 15.73±7.2 | 0.077 |
| T2dr (min) | 51.40±33.0 | 57.13±26.5 | 0.461 |
| Sensory block duration (min) | 202.90±50.2 | 157.33±31.6 | 0.000 |
| Time to rescue analgesia (min) | 265.16±71.4 | 203.67±35.6 | 0.000 |
| Maximum intensity of motor block | I | I | 1.000 |
Values expressed as mean±SD. SD=Standard deviation. Tmax=Time to achieve maximum sensory block, T2dr=Time to two dermatomal regression. P<0.05 - not significant. *Values expressed as median and values in [ ] are interquartile range