Table 3 Numerical rating scale (0–100 scale) for pain during rest/cough and cumulative patient-controlled analgesia consumption (mL) of the continuous/selector-bolus channel in the ward
| Â | 1-channel (n=41) | 2-channel (n=43) | P value | |||
|---|---|---|---|---|---|---|
NRS | Rest | Cough | Rest | Cough | Rest | Cough |
| Â | 0.383 | 0.662 | ||||
6 h | 35.7 ± 22.4 | 52.2 ± 24.6 | 31.5 ± 20.2 | 48.4 ± 22.1 |  |  |
12 h | 25.6 ± 16.9 | 37.2 ± 19.2 | 22.4 ± 15.6 | 36.6 ± 18.6 |  |  |
24 h | 18.0 ± 17.8 | 31.7 ± 21.8 | 15.3 ± 14.1 | 28.0 ± 19.6 |  |  |
36 h | 16.2 ± 16.5 | 27.2 ± 20.5 | 12.6 ± 13.4 | 22.8 ± 17.8 |  |  |
48 h | 14.3 ± 15.9 | 23.7 ± 21.0 | 12.4 ± 13.9 | 21.7 ± 19.7 |  |  |
PCA consumption | Continuous | Selector-bolus | Continuous | Selector-bolus | Continuous. | Selector-bolus |
| Â | 0.639 | 0.535 | ||||
6 h | 15.2 ± 4.3 | 25.4 ± 5.5 | 14.4 ± 3.7 | 23.0 ± 5.8 |  |  |
12 h | 29.4 ± 6.4 | 49.0 ± 12.3 | 29.4 ± 5.9 | 46.4 ± 11.8 |  |  |
24 h | 55.0 ± 10.1 | 67.4 ± 17.7 | 55.2 ± 8.9 | 64.0 ± 16.4 |  |  |
36 h | 77.9 ± 9.9 | 78.9 ± 16.0 | 80.1 ± 9.1 | 78.7 ± 17.7 |  |  |
48 h | 95.0 ± 10.5 | 89.1 ± 16.9 | 95.2 ± 10.6 | 90.0 ± 20.7 |  |  |