. 2018 Oct 1;2018(9):CD003968. doi: 10.1002/14651858.CD003968.pub5

3. Results of sensitivity analyses.

Outcome	Sensitivity analysis
Pain, children with headache, post‐treatment	RR 2.79, 95% CI 2.01 to 3.89; participants = 325; studies = 15; I² = 56%
N < 20	RR 2.79, 95% CI 2.01 to 3.89; participants = 325; studies = 15; I² = 56%
N > 20	No studies could be included in the analysis
Pain, children with mixed pain conditions, post‐treatment	SMD ‐0.57, 95% CI ‐0.90 to ‐0.24; participants = 671; studies = 16; I² = 74%
N < 20	SMD ‐0.84, 95% CI ‐1.27 to ‐0.41; participants = 221; studies = 7; I² = 54%
N > 20	SMD ‐0.31, 95% CI ‐0.73 to 0.12; participants = 450; studies = 9; I² = 79%
Disability, children with mixed pain conditions, post‐treatment	SMD ‐0.37, 95% CI ‐0.64 to ‐0.11; participants = 687; studies = 14; I² = 60%
N < 20	SMD ‐0.67, 95% CI ‐1.21 to ‐0.13; participants = 184; studies = 6; I² = 64%
N > 20	SMD ‐0.21, 95% CI ‐0.41 to ‐0.00; participants = 503; studies = 8; I² = 25%

CI: confidence intervals SMD: standardised mean difference