Comparison 1. Blue light versus white light.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1.1 Time to disease recurrence	15	2994	Hazard Ratio (IV, Random, 95% CI)	0.66 [0.54, 0.81]
1.2 Time to disease progression	9	2200	Hazard Ratio (IV, Random, 95% CI)	0.65 [0.50, 0.84]
1.3 Surgical complications, serious	1	525	Risk Ratio (M‐H, Random, 95% CI)	0.54 [0.14, 2.14]
1.4 Time to death from bladder cancer	1	407	Hazard Ratio (IV, Random, 95% CI)	0.55 [0.19, 1.61]
1.5 Adverse events	3	1375	Risk Ratio (IV, Random, 95% CI)	1.09 [0.88, 1.33]