Fig. 3From: Downregulation of angiogenic factors in aqueous humor associated with less intraoperative bleeding in PDR patients with NVG receiving conbercept: a randomized controlled trialComparison of cytokine levels in the aqueous humor at the beginning of PPV between IOB and INB group A-E: The levels of IL-4, IL-22, Ang-2, PLGF, VEGF-A in the aqueous humor of IOB and INB group were compared by Mann–Whitney test, P < 0.05 was considered statistically significant. Data were shown as median with interquartile rangeBack to article page