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Table 4 Meta regression analysis

From: Prevalence of low back pain in emergency settings: a systematic review and meta-analysis

Covariate

Coefficient

95% Confidence interval

P-value

Coding

-0.01989

-0.04472

0.00493

0.106

ROB

0.01032

-0.02085

0.04149

0.485

Health System

0.00309

-0.02580

0.03199

0.819

  1. Notes: “Coding” includes studies grouped by coding system used for the definition of low back pain. In our analysis 1 was given to studies using diagnosis codes for their definition, while 0 was given to studies using presenting complaints for their definition. “ROB” includes studies grouped by risk of bias. In our analysis 1 was given to studies judged to have a moderate to high risk of bias and 0 was given to studies judged to have a low risk of bias. “Health System” includes studies grouped by healthcare system funding. In our analysis 1 was given to studies conducted in regions with private healthcare funding and 0 was given to studies conducted in regions with public healthcare funding