Table 1.

Comparison between palm sweating area (PSA) score before treatment and at follow-up visits in the right palm (Botox).

	Mean ± standard deviation	t test	P value	Significance
Right PSA 0	3.2 ± 0.4	—	—	—
Right PSA 3 weeks	2 ± 0	7.6	0.0001	HS
Right PSA 8 weeks	1 ± 0	13.7	0.0001	HS
Right PSA 13 weeks	0.5 ± 0	14.7	0.0001	HS
Right PSA 6 months	0.8 ± 0.5	12.9	0.0001	HS
Right PSA 8 months	1 ± 0.6	10.9	0.0001	HS

HS: highly significant.