Table 1.

Demographic Data, Mean Duration of Symptoms, and Type B3 [Venous-arterial Neurogenic TOS Patients Were the Youngest among the Other Subtypes (P = 0.0.034)]

	Type A	Type B1	Type B2	Type B3	P
No. patients	20 (46%)	7 (16%)	5 (11%)	12 (27%)
Age, mean (range), y	30.3 (15–42)	31.42 (23–44)	39.2 (20–55)	22.88 (13–37)	0.034*
Male:female ratio	9:11	3:4	3:2	5:7
Affected dominant hand, n (%)	9 (45)	1 (14)	3 (60)	5 (42)	0.36
Duration of symptoms, mean (range), y	4.61 (0.16–15)	7.57 (2–18)	7 (1.5–10)	4.29 (0.5–14)	0.339