Fig. 2From: A systematic review of the clinical impact of small colony variants in patients with cystic fibrosisForest plot of the reported mean difference in FEV1% between SCV and NCV patients in included studies (n = 6) utilising a random effects model with the DerSimonian and Laird method. Diamond represents weighted mean difference between SCV and NCV patients. Estimates by Gram status and overall are givenBack to article page