Partial correlations between leptin levels and clinical variables in schizophrenia with depressive symptoms, controlled for gender, age and BMI (Spearman's r) (n=47)
| Correlation coefficient | P values | |
| PANSS total score | 0.008 | 0.958 |
| Positive factor | 0.23 | 0.121 |
| Negative factor | −0.069 | 0.644 |
| Cognitive factor | 0.069 | 0.644 |
| Excited factor | 0.373 | 0.352 |
| Depressed factor | −0.303 | 0.038* |
| BPRS total score | −0.04 | 0.789 |
*Indicated the Bonferroni corrected p value, p<0.05.
BMI, body mass index; BPRS, Brief Psychiatric Rating Scale; PANSS, Positive and Negative Syndrome Scale.