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Table 4 Relation between age and affective disorders among the offsprings

From: Diagnosis of disruptive mood dysregulation disorder in offsprings of bipolar parents

Affective disorders Age/years
among offsprings of bipolar parents
Test of significance Age/years
among offsprings of control parents
Test of significance
≤ 11
n = 33
> 11
n = 35
≤ 11
n = 38
> 11
n = 30
DMDD 22 (66.7) 12 (34.3) χ2 = 7.12, p = 0.008* 7 (18.4) 7 (23.3) χ2 = 0.247,
p = 0.619
Depressive disorders 10 (30.3) 11 (31.4) χ2 = 0.01, p = 0.920 7 (18.4) 3 (10.0) χ2 = 0.948,
p = 0.33
Mania 2 (5.7) 3 (9.1) FET, p = 0.668 0 2 (5.3) FET,
p = 0.500
  1. χ2 chi-square test, FET Fisher’s exact test
  2. *Statistically significant if p < 0.05