Comparison of Thulium Fiber Laser versus Holmium laser in ureteroscopic lithotripsy: a Meta-analysis and systematic review

Table 2 Summarized mean differences for perioperative outcomes between TFL and Ho: YAG

	No. of study	heterogeneity	MD	95% CI	P value
Operation time	11	P < 0.00001, I² = 87%	-5.47	[-8.86, -2.08]	P = 0.002
Laser time^a	8	P < 0.00001, I² = 98%	-0.74	[-1.56, 0.09]	P = 0.08
Duration of hospital stay	4	P < 0.00001, I² = 91%	-0.20	[-0.89, 0.49]	P = 0.57
Drop of hemoglobin^a	3	P = 0.76, I² = 0%	0.22^a	[-0.05, 0.49]	P = 0.12
Total energy	5	P = 0.07, I² = 54%	0.02	[-0.26, 0.31]	P = 0.88
Postoperative ureteral stenting rate	3	P = 0.18, I² = 42%	0.96	[0.84, 1.09]	P = 0.50

^aThe two groups used different indicators in the laser time and the drop of hemoglobin, SMD was used as the effect value for the analysis

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