Table 2. Frequencies and proportions of adverse clinical outcomes for pneumonia patients with or those without depressive disorder (DD) in Taiwan.

Presence of adverse clinical outcomes	Total sample (n = 14,364)	Subject with DD (n = 2,394)	Comparison group (n = 11,970)
	n (%)	n (%)	n (%)
Intensive care unit admission	1,976 (13.8)	434 (18.1)	1,542 (12.9)
Acute respiratory failure	2,732 (19.0)	481 (20.1)	2,251 (18.8)
Need for mechanical ventilation	2,690 (18.7)	524 (21.9)	2,166 (18.1)
In-hospital death	1,326 (9.2)	250 (10.4)	1,076 (9.0)