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Table 4 CRP levels among the five MDD subtypes groups (n = 98)

From: C-reactive protein and clinical subtypes of major depressive disorder at Zagazig University Hospitals

Variable No. CRP K P
Mean SD Median Range
Type of depression
 Atypical 11 9.17 2.33 8.85 5.7–14.69 18.22 0.001**
 Anxious 31 3.32 3.74 1.85 0.21–15.67   
 Melancholic 19 3.24 3.61 1.52 0.34–14.7   
 Psychotic 15 3.77 2.93 2.01 0.31–9.04   
 Unspecified 22 4.05 5.5 1.4 0.21–22.63   
  1. CRP C-reactive protein, MDD major depressive disorder, SD standard deviation, K Kruskal-Wallis test
  2. **Highly significant (P < 0.001)