Table 3.

Severity of respiratory impairment on day 1 of admission, corticosteroid dose, mortality and hospital acquired infections.

	6-10mg DEXA	>10-20mg DEXA
Mild, n	7749	447
Mortality, n (%)	381 (4.9%)	22 (4.9%)
Hospital-acquired infection (%)	5.7	4.9
Moderate, n	1429	118
Mortality, n (%)	200 (14.0)	17 (14.4)
Hospital acquired infection (%)	7.7	7.6
Severe, n	3745	294
Mortality, n (%)	1146 (30.6)	95 (32.3)
Hospital acquired infection (%)	15.8	22.8
Invasive mechanical ventilation, n	443	89
Mortality, n (%)	247 (55.8)	44 (49.4)
Hospital acquired infection (%)	28.2	30.3

Abbreviations: DEXA, dexamethasone or equivalent corticosteroid dosing.