Table 5

Exposure to study opioids and propofol during the maintenance phase (intent to treat population)

Maintenance phase
Remifentanil (n = 77)
Fentanyl (n = 75)

Median duration of study opioid infusion (hours; range)
13.7 (2.7–73.0)
14.2 (0.3–73.3)
Weighted mean study opioid infusion rate (μg/kg per hour; range)
9.4 (2.3–22.8)
1.8 (0.5–6.0)
Number of patients receiving the study drug infusion for >24 hours
11 (14%)
10 (13%)
Number of patients who received a propofol infusion
27 (35%)
30 (40%)
Mean time from starting the opioid infusion to starting the propofol infusion (hours; range)
6.6 (0.2–55.6)
5.9 (0.2–38.6)
Median duration of propofol infusion (hours; range)
9.4 (0.6–53.3)
12.0 (2.5–72.3)
Mean % of time patients received a propofol infusion (range) during the maintenance phase
62.8 (3.8–98.9)
76.1 (26.9–99.0)
Median total propofol dose (mg; range)
378.4 (15.8–4690.8)
683.0 (30.0–11323.3)
Weighted mean infusion rate of propofol (mg/kg per hour; range)
0.7 (0.1–2.7)
0.8 (0.2–2.5)
Number of patients receiving the following numbers of propofol bolus doses
(n = 27)
(n = 30)
     0
18 (67%)
14 (47%)
     1–3
8 (30%)
11 (37%)
     4–6
1 (4%)
4 (13%)
     ≥ 7
0
1 (3%)
Number of patients receiving the following numbers of propofol rate increases
(n = 27)
(n = 30)
     0
17 (63%)
6 (20%)
     1–3
5 (19%)
14 (47%)
     4–6
3 (11%)
5 (17%)
     ≥ 7
2 (7%)
5 (17%)
Number (%) of patients receiving the following numbers of propofol rate decreases
(n = 27)
(n = 30)
     0
16 (59%)
18 (60%)
     1–3
9 (33%)
8 (27%)
     4–6
2 (7%)
3 (10%)
     ≥ 7
0 (0%)
1 (3%)

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