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Fig. 2 | Trials

Fig. 2

From: Comparison of three regimens with inhalational methoxyflurane versus intranasal fentanyl versus intravenous morphine in pre-hospital acute pain management: study protocol for a randomized controlled trial (PreMeFen)

Fig. 2

Non-inferiority chart. The lines A–D represent mean and confidence interval of the differences in NRS-changes in the two treatment groups a and b. Examples A and B show that the agent a is inferior to agent b, while examples C and D confirm that agent a is non-inferior to agent b. IMP, investigational medicinal product; NRS, numeric rating scale

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