Partial correlations between leptin levels and clinical variables in patients with schizophrenia, controlled for gender, age and BMI (Spearman's r) (n=74)
| Correlation coefficient | P values | |
| PANSS total score | −0.039 | 0.745 |
| Positive factor | 0.141 | 0.230 |
| Negative factor | −0.970 | 0.412 |
| Cognitive factor | −0.045 | 0.707 |
| Excited factor | 0.139 | 0.236 |
| Depressed factor | −0.255 | 0.028* |
| BPRS total score | −0.074 | 0.535 |
*Indicated the Bonferroni corrected p value, p<0.05.
BMI, body mass index; BPRS, Brief Psychiatric Rating Scale; PANSS, Positive and Negative Syndrome Scale.