Table 2: Characteristics of pain relief.

10 mL alcohol20 mL alcoholP value

Total subjects1010
Number of subjects who had ganglia injected 551
Pain relief8 (80%)10 (100%) 0.21
Median (range) onset of pain relief (days)1 (1–14)1 (1–14)
Mean (SD) onset of pain relief (days) 4.3 (6.0)4.2 (5.5)0.81
Median (range) duration of pain relief (weeks)3.0 (0–32)3.5 (2–30)
Mean (SD) duration of pain relief (weeks)7.9 (10.8)8.4 (9.2)0.9

SD: standard deviation.