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. 2013 Dec 12;2013(12):CD008742. doi: 10.1002/14651858.CD008742.pub2

Comparison 3. Ergonomic intervention versus no treatment controls.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Pain intensity, short term 5   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
1.1 Versus placebo 1 80 Std. Mean Difference (IV, Random, 95% CI) 0.53 [0.01, 1.04]
1.2 Versus no treatment 3 506 Std. Mean Difference (IV, Random, 95% CI) ‐0.07 [‐0.36, 0.22]
1.3 Ergonomic intervention plus additional treatment versus additional only 1 94 Std. Mean Difference (IV, Random, 95% CI) ‐0.60 [‐1.01, ‐0.18]
2 Pain intensity, long term 4   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
2.1 Versus no treatment 4 402 Std. Mean Difference (IV, Random, 95% CI) ‐0.76 [‐1.35, ‐0.16]
3 Disability, short term 2   Mean Difference (IV, Random, 95% CI) Subtotals only
3.1 Versus placebo 1 80 Mean Difference (IV, Random, 95% CI) 0.93 [0.28, 1.57]
3.2 Ergonomic intervention plus additional treatment versus additional only 1 94 Mean Difference (IV, Random, 95% CI) ‐9.0 [‐15.02, ‐2.98]
4 Disability, short term 1   Risk Ratio (M‐H, Random, 95% CI) Totals not selected
4.1 Versus no treatment 1   Risk Ratio (M‐H, Random, 95% CI) 0.0 [0.0, 0.0]
5 Disability, long term 2 107 Std. Mean Difference (IV, Random, 95% CI) ‐0.33 [‐0.71, 0.06]
5.1 Versus no treatment 2 107 Std. Mean Difference (IV, Random, 95% CI) ‐0.33 [‐0.71, 0.06]
6 Disability, long term 1   Risk Ratio (M‐H, Random, 95% CI) Totals not selected
6.1 Versus no treatment 1   Risk Ratio (M‐H, Random, 95% CI) 0.0 [0.0, 0.0]
7 Improvement, short term 2   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
7.1 Versus placebo 1 80 Risk Ratio (M‐H, Random, 95% CI) 1.89 [0.85, 4.21]
7.2 Versus no treatment 1 310 Risk Ratio (M‐H, Random, 95% CI) 0.88 [0.78, 0.99]
8 Improvement, long term 1   Risk Ratio (M‐H, Random, 95% CI) Totals not selected
8.1 Versus no treatment 1   Risk Ratio (M‐H, Random, 95% CI) 0.0 [0.0, 0.0]
9 Sick leave, short term 2   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
9.1 Versus no treatment 2 330 Risk Ratio (M‐H, Random, 95% CI) 0.49 [0.32, 0.76]