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Table 4 Diagnostic performance of vitamin D in differentiation between study groups

From: Vitamin D serum level in major depressive disorder and schizophrenia

Group AUC SE p value 95% CI Cut-off Sensitivity Specificity DA PPV NPV
MDD from control 0.823 0.065 < 0.001** 0.695–0.950 ≤ 14 60% 90% 75% 85.7% 69.2%
Schizophrenia from control 0.715 0.083 0.020* 0.552–0.878 ≤ 14 50% 90% 70% 83.3% 64.3%
MDD from Schizophrenia 0.596 0.091 0.298 0.417–0.775      
  1. AUC area under curve, SE standard error, CI confidence interval, DA diagnostic accuracy, PPV positive predictive value, NPV negative predictive value, MDD major depressive disorder
  2. *Statistically significant < 0.05
  3. **Statistically highly significant < 0.01