Table 1.

Basic data of two groups of patients (x ± s).

Group	n	Age	Gender (male/female)	Average course of disease
The control group	62	49.32 ± 6.42	38/24	9.47 ± 2.36
The observation group	64	49.84 ± 5.67	34/30	10.45 ± 4.32
P		0.964	0.354	0.612