Table II.

Median baseline pain and % change from baseline to month 2

	Baseline		% change
Factor	Median (IQR)	p-value	Median (IQR)	p-value
Overall
Baseline	6.0 (5.0–8.0)
Month 2	5.0 (3.0–6.0)		−15.5 (0 to –40.0)
Age
<60 years	6.0 (5.0–7.0)	0.46	−11.8 (0 to 34.3)	0.39
>60 years	6.0 (5.0–8.0)		−24.3 (0 to –62.5)
Race
White/Hispanic	6.0 (4.5–8.0)	0.76	−11.1 (–33.3 to –62.5)	0.29
Non-White/Hispanic	6.5 (5.0–8.0)		−16.7 (0 to –40.0)
Gender
Male	7 (5.0–8.0)	0.34	−12.5 (0 to –60)	0.92
Female	6.0 (5.0–7.0)		−16.7 (0 to –40)
Education
<16 years	6.0 (5.0–7.0)	0.64	0 (16.7 to –16.7)	0.01
>16 years	7.0 (5.0–8.0)		−28.6 (–11.1 to –71.4)
Time since amputation
<5 years	6.0 (5.0–8.0)	0.97	−15.5 (0 to –61.3)	0.86
>5 years	6.5 (5.0–8.0)		−20.5 (0 to –38.9)
Not working due to disability
No	7.0 (5.0–8.0)	0.39	−28.6 (–6.3 to –61.3)	0.06
Yes	5.5 (5.0–7.0)		0 (11.1 to –14.3)
Aetiology of amputation
Non–trauma	6.0 (5.0–7.0)	0.43	−13.9 (0 to –33.3)	0.57
Trauma	6.5 (5.0–8.0)		−21.4 (0 to –50.0)
Prosthesis use
No	6.0 (5.0–7.5)	0.32	−14.3 (0 to –38.9)	0.80
Yes	7.0 (5.0–8.0)		−16.7 (0 to –40.0)
Depressive symptoms (CES-D)
<16	6.0 (5.0–8.0)	0.34	−18.3 (0 to –38.9)	0.50
>16	7.0 (5.0–8.5)		0 (0 to –14.3)
Amputation side
Left	7.0 (5.0–8.0)	0.33	−16.7 (0 to –60.0)	0.87
Right	5.5 (5.0–7.0)		−12.5 (0 to –38.9)
Residual limb (stump) pain
No	7.0 (5.0–8.0)	0.57	−14.3 (0 to –40.0)	0.81
Yes	6.0 (5.0–8.0)		−16.7 (0 to –38.9)

IQR: interquartile range; CES-D: Centers for Epidemiologic Studies Depression subscale.