From: Comparison between thoracic paravertebral block and segmental thoracic spinal anesthesia in breast cancer surgery
Items
TPVB group
STSA group
p-value
Onset of sensory block (min)
20.2 ± 3.0
6.4 ± 1.4
< 0.001*
Number of blocked dermatomes
8 (7–10)
10 (7–16)
Sensory regression time (min)
164 ± 18
175 ± 12
0.004*