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. 2023 Nov 15;2023(11):CD015215. doi: 10.1002/14651858.CD015215.pub2

Comparison 5. Sensitivity analyses: Ventilation tubes versus no treatment.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
5.1 Sensitivity analysis: Return to normal hearing, randomised by ear (medium‐term); CC = 0.3 1   Odds Ratio (IV, Random, 95% CI) 1.13 [0.46, 2.74]
5.1.1 Sensitivity analysis: normal defined as < 15 dB; CC = 0.3 1   Odds Ratio (IV, Random, 95% CI) 1.13 [0.46, 2.74]
5.2 Sensitivity analysis: Return to normal hearing, randomised by ear (medium‐term); CC = 0.7 1   Odds Ratio (IV, Random, 95% CI) 1.13 [0.47, 2.75]
5.2.1 Sensitivity analysis: normal defined as < 15 dB; CC = 0.7 1   Odds Ratio (IV, Random, 95% CI) 1.13 [0.47, 2.75]
5.3 Sensitivity analysis: Return to normal hearing, randomised by ear (medium‐term). Normal defined as < 25 dB; CC = 0.5 1   Odds Ratio (IV, Random, 95% CI) 1.00 [0.57, 1.76]
5.3.1 Sensitivity analysis: normal defined as < 25 dB; CC = 0.5 (medium‐term) 1   Odds Ratio (IV, Random, 95% CI) 1.00 [0.57, 1.76]
5.4 Sensitivity analysis: Mean final hearing threshold, randomised by ear (medium‐term); CC = 0.3 2   Mean Difference (IV, Random, 95% CI) ‐3.47 [‐10.01, 3.06]
5.4.1 Sensitivity analysis: correlation coefficient = 0.3 2   Mean Difference (IV, Random, 95% CI) ‐3.47 [‐10.01, 3.06]
5.5 Sensitivity analysis: Mean final hearing threshold, randomised by ear (medium‐term); CC = 0.7 2   Mean Difference (IV, Random, 95% CI) ‐3.49 [‐10.37, 3.38]
5.5.1 Sensitivity analysis: correlation coefficient = 0.7 2   Mean Difference (IV, Random, 95% CI) ‐3.49 [‐10.37, 3.38]
5.6 Sensitivity analysis: Change in hearing threshold from baseline, randomised by ear (medium‐term); CC = 0.3 1   Mean Difference (IV, Random, 95% CI) ‐0.10 [‐3.22, 3.01]
5.7 Sensitivity analysis: Change in hearing threshold from baseline, randomised by ear (medium‐term); CC = 0.7 1   Mean Difference (IV, Random, 95% CI) ‐0.21 [‐3.34, 2.92]
5.8 Sensitivity analysis: Adverse event: perforation/retraction, randomised by ear (medium‐term); CC = 0.3 1   Odds Ratio (IV, Random, 95% CI) 0.85 [0.33, 2.21]
5.8.1 Sensitivity analysis: correlation coefficient = 0.3 1   Odds Ratio (IV, Random, 95% CI) 0.85 [0.33, 2.21]
5.9 Sensitivity analysis: Adverse event: perforation/retraction, randomised by ear (medium‐term); CC = 0.7 1   Odds Ratio (IV, Random, 95% CI) 0.91 [0.45, 1.86]
5.9.1 Sensitivity analysis: correlation coefficient = 0.7 1   Odds Ratio (IV, Random, 95% CI) 0.91 [0.45, 1.86]
5.10 Sensitivity analysis: Persistence of OME: randomised by child (medium‐term); ICC = 1.0 1 40 Risk Ratio (M‐H, Random, 95% CI) 0.27 [0.11, 0.70]
5.10.1 Sensitivity analysis: assuming ICC of 1.0 (complete correlation between ears) 1 40 Risk Ratio (M‐H, Random, 95% CI) 0.27 [0.11, 0.70]
5.11 Sensitivity analysis: Persistence of OME: randomised by child (medium‐term); ICC = zero 1 81 Risk Ratio (M‐H, Random, 95% CI) 0.30 [0.16, 0.56]
5.11.1 Sensitivity analysis: assuming ICC of 0.0 (no correlation between ears) 1 81 Risk Ratio (M‐H, Random, 95% CI) 0.30 [0.16, 0.56]
5.12 Sensitivity analysis: Persistence of OME: randomised by ear (medium‐term); CC = 0.3 1   Odds Ratio (IV, Random, 95% CI) 0.66 [0.24, 1.83]
5.12.1 Sensitivity analysis: correlation coefficient = 0.3 1   Odds Ratio (IV, Random, 95% CI) 0.66 [0.24, 1.83]
5.13 Sensitivity analysis: Persistence of OME: randomised by ear (medium‐term); CC = 0.7 1   Odds Ratio (IV, Random, 95% CI) 0.66 [0.24, 1.83]
5.13.1 Sensitivity analysis: correlation coefficient = 0.7 1   Odds Ratio (IV, Random, 95% CI) 0.66 [0.24, 1.83]