Table s3

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Variable S. aureus Other organisms P value
OR (95% CI) I^2 (%) OR (95% CI) I^2 (%) OR I^2
Age < 3 years 2.45 (1.81–3.32) 0 1.98 (1.34–2.92) 0 0.22 0
Male sex 1.43 (1.17–1.75) 0 1.40 (1.11–1.77) 0 0.88 0

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table S3 only. 

Variable Low risk of bias High risk of bias P value
OR (95% CI) I^2 (%) OR (95% CI) I^2 (%) OR I^2
Age < 3 years 2.21 (1.64–2.97) 0 2.67 (1.79–3.97) 0 0.16 NA
Male sex 1.38 (1.14–1.66) 0 1.51 (1.18–1.93) 0 0.50 NA

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table S4 

Variable All studies Excluding high risk of bias studies P value
OR (95% CI) I^2 (%) OR (95% CI) I^2 (%) OR I^2
Age < 3 years 2.34 (1.76–3.11) 0 NA NA NA NA
Male sex 1.42 (1.18–1.71) 0 NA NA NA NA

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Okay, here is the code for table S5 only. Please copy and paste it into your website and remove the spaces before and after the ```html and ``` tags. Table S5. Results of sensitivity analysis of risk factors and clinical features of septic arthritis in children by excluding studies with high heterogeneity <```html>

Variable All studies Excluding high heterogeneity studies P value
OR (95% CI) I^2 (%) OR (95% CI) I^2 (%) OR I^2
Fever 79% (74–83%) 67% 82% (77–86%) 29% 0.02 38%
Joint pain 87% (82–91%) 56% 89% (84–93%) 28% 0.03 28%

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Okay, here is the code for table S6 only. Please copy and paste it into your website and remove the spaces before and after the ```html and ``` tags. Table S6. Results of sensitivity analysis of outcomes of septic arthritis in children by excluding studies with high risk of bias or high heterogeneity <```html>

Variable All studies Excluding high risk of bias or high heterogeneity studies P value
MD (95% CI) I^2 (%) MD (95% CI) I^2 (%) MD I^2
Duration of symptoms before diagnosis 6.2 days (5.1–7.3) 95% 5.9 days (4.8–7.1) 90% 0.56 5%
Duration of hospital stay 10.4 days (8.9–11.9) 96% 9.8 days (8.4–11.3) 92% 0.42 4%

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