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Table 3 Duration of study periods

From: Remifentanil versus fentanyl for analgesia based sedation to provide patient comfort in the intensive care unit: a randomized, double-blind controlled trial [ISRCTN43755713]

Phase/period Remifentanil (n = 77) Fentanyl (n = 75)
Maintenance phase 13.7 hours (2.7–73.0 hours) 14.2 hours (0.3–73.3 hours)
Extubation phase 1.0 hour (0.0–21.0 hours) 1.1 hours (0.0–4.5 hours)
Postextubation phase 1.0 hour (0.0–1.3 hours) 1.0 hour (0.0–1.3 hours)
Post-treatment period 24.0 hours (0.8–24.0 hours) 22.3 hours (0.5–24.0 hours)
  1. Values are expressed as median (range).