Fig. 4From: Chronic obstructive pulmonary disease, lung function and risk of type 2 diabetes: a systematic review and meta-analysis of cohort studiesForest plot showing the RR for T2DM in the lowest versus highest category of FEV1%. FEV1% = percentage forced expiratory volume in 1 s, RR = risk ratio, T2DM = type 2 diabetes mellitusBack to article page