Table 5:

Correlation of serum 25(OH) D level with depression severity (HRSD) in depressed patients

Variable	r	P
Total patients	−0.09	0.56
Patients with current depressiona	−0.38	0.08
Patients with past depressionb	0.22	0.33
Winter patients	−0.62	0.004
Spring patients	0.27	0.20

HRSD= Hamilton Rating Scale for Depression

^apatients with depression episodes < 2 year;

^bpatients with depression episodes ≥2 y