Table 2.
Comparison of fentanyl PCA data for patients with and without a FNC
| FNC group (n = 27) | PCA only group (n = 21) | Statistical significance | |
|---|---|---|---|
| PCA duration (hours) | *37.7 ± 2.8 | 39.6 ± 4.4 | NS |
| Total fentanyl used (μg) Day 0 | 450 (220, 73) | 820 (609, 1165) | p < .001 Effect size medium, r = .48 |
| Total fentanyl used (μg) Day 1 | 1120 (460, 1560) | 1388 (1080, 2329) | p < .067 Effect size small, r = .23 |
| Total fentanyl used (μg) Day 2 | 180 (120, 295) | 237 (188, 496) | p < .03 Effect size medium, r = .31 |
| Total fentanyl (μg) used | 1860 (800, 2556) | 2820 (2356, 4238) | p < .001 Effect size large, r = .52 |
| Fentanyl used (μg)/hour | 51.8 (22.8, 66.8) | 89 (61, 104) | p < .001 Effect size large, r = .52 |
| Fentanyl dose (μg)/BMI | 53.6 (31.6, 93.8) | 101 (71,129) | p < .002 Effect size medium, r = .45 |
| Mean number of dose increases required on Day 0 | 0 (0, 1) | 1 (0,1) | p < .016 Effect size medium, r = .35 |
| % successful PCA attempts (Day 0) | 75 (49, 89) | 75.3 (58.3, 91.8) | NS |
| % successful PCA attempts (Day 1) | 81.3 (62.8, 92.5) | 83.6 (63.2, 89.4) | NS |
*Mean ± SD, or median (IQR: 25,75), reported according to normality