Table 6.

Comparison with control group.

		Pain patients		Normal adults		p
		N (%)	Median (IQR)	N (%)	Median (IQR)
Age, year		114	57.0 (49.8–67.0)	252	55.0 (50.0–61.0)	0.1848
	<50	28 (24.6)		52 (20.6)
	50-	41 (36.0)		121 (48.0)
	60-	24 (21.1)		56 (22.2)
	70-	15 (13.2)		20 (7.9)
	80-	6 (5.3)		3 (3.8)
Gender	Male	48 (42.1)		122 (48.4)		0.3085
	Female	66 (57.9)		130 (51.6)
Estimated MMSE, p			26.8 (25.6–27.8)		27.2 (26.1–28.0)	0.0241	*