Fig. 7From: Association of vitamin D in individuals with periodontitis: an updated systematic review and meta-analysisForest plot of studies evaluating the effect of SRP + vitamin D on PD and CAL compared to SRP alone. A Probing depth (PD). B Clinical attachment level (CAL). Gao, W-1: Gao, W-2000 IU/d vitamin D; Gao, W-2: Gao, W-1000 IU/d vitamin D; WMD: weighted mean difference;a: Non-RCT; b: cross-sectional study; c: RCTBack to article page