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Table 4 Adjusted odds ratio (95%CI) of MRC thresholds*.

From: Cross sectional analysis of respiratory symptoms in an injection drug user cohort: the impact of obstructive lung disease and HIV

  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)
  1. *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