Table 3.
Mean SF-36 scores at two days
N (% completed) | CPU care | Routine care | Difference | 95% CI | P-value | ρ | |
Unadjusted | |||||||
Adjusted | |||||||
Physical functioning | 694 (96.7%) | 74.8 | 69.7 | 5.1 | 1.1 to 9.0 | 0.012 | 0.002 |
4.2 | 0.4 to 7.9 | 0.029 | |||||
Social functioning | 703 (98.0%) | 72.2 | 69.8 | 2.4 | -1.7 to 6.6 | 0.252 | 0 |
1.5 | -2.7 to 5.6 | 0.49 | |||||
Role-physical | 684 (95.4%) | 50.4 | 46.0 | 4.4 | -2.2 to 11.0 | 0.191 | 0.028 |
3.3 | -3.3 to 10.0 | 0.326 | |||||
Role-emotional | 685 (95.5%) | 64.7 | 59.5 | 5.2 | -1.2 to 11.6 | 0.113 | 0 |
5.1 | -1.2 to 11.4 | 0.111 | |||||
Mental health | 700 (97.6%) | 66.9 | 64.7 | 2.2 | -0.9 to 5.3 | 0.158 | 0 |
2.3 | -0.7 to 5.4 | 0.132 | |||||
Vitality | 697 (97.2%) | 52.3 | 47.6 | 4.6 | 1.3 to 8.0 | 0.007 | 0 |
4.6 | 1.3 to 8.0 | 0.007 | |||||
Pain index | 701 (97.7%) | 50.8 | 49.0 | 1.8 | -1.9 to 5.5 | 0.351 | 0 |
2.0 | -1.7 to 5.7 | 0.284 | |||||
General health | 688 (96.0%) | 60.3 | 54.5 | 5.7 | 2.3 to 9.2 | 0.001 | 0 |
5.4 | 2.0 to 8.8 | 0.002 |
Upper row shows unadjusted analysis (primary analysis) Lower row shows adjusted analysis (secondary analysis) ρ = Intraclass correlation coefficient. This provides a measure of the amount of clustering of each outcome by the unit of randomisation (day).