Prevalence of Chronic Obstructive Pulmonary Disease.

Characteristic	GOLD criteria n (%)	ERS criteria n(%)	GLI n (%)
Overall	55 (15.4)	43 (12.1)	179 (22.2)
Age, years
30-39	10 (10.4)	11 (11.5)	19 (19.8)
40-49	22 (12.3)	17 (9.5)	33 (18.4)
≥50	23 (28.4)	15 (18.5)	27 (33.3)

GOLD: Global Initiative for Obstructive Lung Disease (Forced expiratory volume in the first second [FEV₁]/ Forced Vital Capacity [FVC] <0.7)
ERS: European Respiratory Society 1993 normative equation (FEV₁/FVC lower than the 5^th percentile)
GLI: Global Lung Initiative (2012) normative equation (FEV1/FVC lower than the 5^th percentile)

Table 2: Prevalence of Chronic Obstructive Pulmonary Disease among 356 HIVinfected adults in Jos Nigeria, May 2013-March 2014.

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