Table 2.

Clinical characteristics of unipolar depressive patients with and without attention deficit hyperactivity disorder comorbidity

Clinical variables	Mean±SD		P
	ADHD+ (n=48)	ADHD− (n=48)
Age of depression onset	26.79±11.7	31.75±9.61	0.011*
A-ADHDS total score	29.44±11.07	4.75±4.06	0.000**
A-ADHDS-1 number of criteria	6.31±2.1	1.58±1.44	0.000**
A-ADHDS-1 score	16.38±6.42	3.58±3.95	0.000**
A-ADHDS-2 number of criteria	5.6±2.81	0.65±0.86	0.000**
A-ADHDS-2 score	13.06±7.59	1.17±1.58	0.000**
A-ADHDS-3 total score	45.94±22.8	12.04±10.39	0.000**
A-ADHDS total criteria	12.31±3.64	2.23±1.69	0.000**
WURS total score	55.6±16.8	22.15±10.63	0.000**
HDRS score (admission)	31.28±5.56	25.73±6.94	0.000**
HDRS score (discharge)	21.59±5.55	16.73±4.84	0.000**
PSP (admission)	38.83±11.31	45.25±10.59	0.002**
PSP (discharge)	68.5±14.19	73.48±8.26	0.46

*P<0.05, **P<0.001. ADHD⁺ – Depressive patients with ADHD comorbidity; ADHD⁻ – Depressive patients without ADHD comorbidity; SD – Standard Deviation; A-ADHDS – Adult ADD/ADHD DSM IV Based Diagnostic Screening and Rating Scale; WURS – Wender Utah Rating Scale; HDRS – Hamilton Depression Rating Scale; PSP – Personal and Social Performance Scale; ADHD – Attention deficit hyperactivity disorder