Table 1.

Descriptive statistics of demographic characteristics and psychometric scores

	Total population	Study A (20 patients)	Study B (18 patients)	p value
Age (years)	60 (38–76)	60.5 (38–76)	60 (52–72)	0.76
BDI	4 (0–26)	4 (0–25)	4 (0–26)	0.41
PRWHE	27 (7–87)	27 (7–87)	26 (14–73)	0.46
STAI	46 (25–80)	45 (25–67)	46 (36–80)	0.61
EPQR‐N	9 (1–20)	9 (1–20)	9 (1–20)	0.72
MPQ‐sensory	6 (0–23)	5 (0–14)	6 (3–23)	0.08
MPQ‐affective	0 (0–7)	0 (0–3)	0 (0–7)	0.48
MPQ‐VAS	25 (0–82)	17 (0–69)	31 (8–82)	0.02
MPQ‐PPI	1 (0–4)	1 (0–4)	1 (1–2)	0.30

Data indicated as median (range). p values relate to Mann–Whitney U‐test, not corrected for multiple testing. BDI, Beck depression inventory; PRWHE, patient‐rated wrist and hand evaluation; MPQ, McGill pain questionnaire (11 sensory, four affective items), one item on present pain intensity (PPI) and 1‐item visual analogue scale (VAS); STAI, Spielberger state‐trait anxiety inventory; EPQR‐N, revised Eysenck personality questionnaire, neuroticism levels.