Table 3.

Demographics and Baseline data of cohort.

	No. of recruited patients (%)
Gender (N = 240)
Male	66 (27.5)
Female	174 (72.5)
Age at onset of symptoms (years) (N = 239)	Mean 43 years (range 12–78, SD 12.7)
Duration of symptoms at recruitment (months) (N = 237)	Median 29 months (range 0–297, IQR 39.7)
Delay between onset and diagnosis (months) (N = 209)	Median 6 months (range 0–129, IQR 13.4)
Trigger (N = 236)
Fracture	66 (28.0)
Soft tissue injury	69 (29.2)
Surgery	56 (23.7)
Spontaneous	37 (15.7)
Nerve injury	5 (2.1)
Electric injury	1 (0.4)
Other	2 (0.8)
First limb affected (N = 239)
Right arm	65 (27.2)
Left arm	50 (20.9)
Right leg	55 (23.0)
Left leg	69 (28.9)
Hand dominance (original) (N = 160)
Right	133 (83.1)
Left	27 (16.9)
Hand dominance (current) (N = 124)
Right	97 (78.2)
Left	27 (21.8)
Second area (if any) affected (N = 30)
Right arm	3 (10.0)
Left arm	6 (20.0)
Right leg	10 (33.3)
Left leg	10 (33.3)
Right eye and neck	1 (3.3)
Time between onset of symptoms in first limb and second area (months) (N = 26)	Median 15 months (range 0–130, IQR 29.5)