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Fig. 9 | Trials

Fig. 9

From: The magnitude and temporal changes of response in the placebo arm of surgical randomized controlled trials: a systematic review and meta-analysis

Fig. 9

Meta-analysis of pain trials with comparable late follow-up visits. Pooled SMD estimates for three trials with pain intensity as the primary outcome and follow-up visits at 3, 6 and 12 months, ordered by sample size within subgroup. NRS numerical rating scale, VAS visual analogue scale, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index

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Trials

ISSN: 1745-6215