Table 1.

Demographic data.

Variables	BTA Group (n = 5)	BTB Group (n = 13)
Gender (M/F)	5/0	10/3
Age (median, range) years	26 (21–43)	23 (20–47) M 23 (20–39)/F 36 (23–47)
10-cm VAS score (median, range)
Pre-LSB	7.5 (3.5–8.5)	6.0 (2.0–10.0) M 5.5 (3.5–10.0)/F 6.0 (2.0–10.0)
Post-LSB	3.0 (2.0–5.0)	3.0 (1.0–7.0) M 3.0 (2.0–6.0)/F 5.0 (1.0–7.0)

Values represent the number of patients. M: male, F: female, BTA: botulinum toxin A, BTB: botulinum toxin B, VAS: visual analogue scale, LSB: lumbar sympathetic block.