Comparison 2. Blue light versus white light—subgroup analysis: primary versus recurrent bladder cancer.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Time to disease recurrence	2	790	Hazard Ratio (IV, Random, 95% CI)	0.79 [0.69, 0.92]
2.1.1 Primary bladder cancer	2	368	Hazard Ratio (IV, Random, 95% CI)	0.79 [0.60, 1.03]
2.1.2 Recurrent bladder cancer	2	422	Hazard Ratio (IV, Random, 95% CI)	0.80 [0.67, 0.95]