Table 3

Duration of study periods

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)

Values are expressed as median (range).

Muellejans et al. Critical Care 2004 8:R1   doi:10.1186/cc2398