Comparison 3.

Laser conisation versus knife conisation

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Residual Disease (All Grades of CIN)	2	194	Risk Ratio (IV, Random, 95% CI)	0.64 [0.22, 1.90]
2 Primary Haemorrhage	2	306	Risk Ratio (IV, Random, 95% CI)	0.53 [0.18, 1.54]
3 Secondary Haemorrhage	3	359	Risk Ratio (IV, Random, 95% CI)	0.91 [0.34, 2.40]
4 Inadequate Colposcopy at Follow-up	2	160	Risk Ratio (IV, Random, 95% CI)	0.57 [0.39, 0.81]
5 Cervical Stenosis at Follow-up	4	1007	Risk Ratio (IV, Random, 95% CI)	0.38 [0.19, 0.76]
6 Significant Thermal Artifact Prohibiting Interpretation of Resection Margin	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only