Comparison 21. HLPP vs non‐exposed sensitivity analysis (long‐term, 5‐year follow‐up).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Hearing loss change at 4kHz / STS	3		effect size (Fixed, 95% CI)	0.17 [‐0.06, 0.40]
1.1 Lee‐Feldstein	1		effect size (Fixed, 95% CI)	0.29 [‐0.07, 0.66]
1.2 Hager	1		effect size (Fixed, 95% CI)	‐0.1 [‐0.72, 0.52]
1.3 Gosztonyi	1		effect size (Fixed, 95% CI)	0.15 [‐0.18, 0.48]