Fig. 6From: Chronic obstructive pulmonary disease, lung function and risk of type 2 diabetes: a systematic review and meta-analysis of cohort studiesRR for T2DM with increasing FEV1% modelled using restricted cubic splines. FEV1% = percentage forced expiratory volume in 1 s, RR = risk ratio, T2DM = type 2 diabetes mellitusBack to article page