Fig. 4From: Salivary cytokines as biomarkers of oral cancer: a systematic review and meta-analysisRandom-effects meta-analysis of salivary cytokine levels in patients with oral potentially malignant disorders (OPMD) in comparison to healthy controls (a) and in patients with oral cancer in comparison to individuals with OPMD (b). In both cases, SMD = 0 for the second group referredBack to article page