Table 4.

Adjusted odds ratio (95%CI) of MRC thresholds*.

	MRC ≥ 2	MRC ≥ 3
OLD	1.83 (1.23-2.73)	2.25 (1.43-3.54)
HIV	1.50 (1.08-2.09)	1.29 (0.87-1.91)
Female	3.86 (2.81-5.30)	4.38 (2.99-6.42)
BMI (per kg/m2)	1.06 (1.03-1.08)	1.05 (1.02-1.07)
Smoking (per 10-pk yrs)	1.24 (1.13-1.36)	1.22 (1.09-1.36)

*Adjusted for other variables in the table as well as age, current injection drug use status and number of pneumonias. 95%CI = 95% confidence interval; OLD = Obstructive lung disease; HIV = Human immunodeficiency virus; BMI = Body mass index; pack-yr = Number of packs smoked per day * years smoked