Table 1.

Differences between patients with and without pain in phantom limb in time from amputation and scores on hospital anxiety and depression scale. Values are means (95% confidence intervals)

			Correlation
	Phantom pain (n=29)	Non-phantom pain (n=64)	Mann-Whitney U test	Kendall’s tau*
Time from amputation (years)	6.79 (2.62 to 10.96)	11.06 (7.14 to 14.98)	873, P=0.65
Anxiety score	4.66 (2.74 to 6.66)	3.59 (3.38 to 3.80)	912, P=0.90	0.16, P=0.03
Depression score	3.45 (1.82 to 5.08)	2.78 (2.09 to 3.47)	892, P=0.76	−0.04, P=0.53

^* For time from amputation.