PAin SoluTions In the Emergency Setting (PASTIES)--patient controlled analgesia versus routine care in emergency department patients with pain from traumatic injuries: randomised trial.

BMJ · 2015 · PMC4476025 · PMID 26094763

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did not reach statistical significanceno p-value reported

Although a higher proportion of PCA participants reported being perfectly or very satisfied compared with the treatment as usual group (78/91 (86%) v 74/98 (76%)), this did not reach statistical significance (adjusted odds ratio 1.91, 95% confidence interval 0.90 to 4.07).

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