Table 3.
Model coefficients for longitudinal analysis
| 5 years of follow-up |
7 years of follow-up |
|||||||
|---|---|---|---|---|---|---|---|---|
| Model 1: 6 months thru 5 years |
Model 2: 1 year thru 5 years |
Model 3: 6 months thru 7 years |
Model 4: 1 year thru 7 years |
|||||
| Model term | Coefficient (95 % CI) | P value | Coefficient (95 % CI) | P value | Coefficient (95 % CI) | P value | Coefficient (95 % CI) | P value |
| Intercept | 52.59 (35.90 to 69.28) | <.0001 | 59.04 (41.42 to 76.65) | <.0001 | 55.61 (39.32 to 71.89) | <.0001 | 60.89 (43.70 to 78.08) | <.0001 |
| Treatment (main effect) | −16.58 (−23.69 to −9.47) | <.0001 | 3.59 (−1.05 to 8.24) | .13 | −13.51 (−19.65 to −7.37) | <.0001 | 3.28 (−1.24 to 7.81) | .16 |
| Time (main effect) | 3.60 (−0.23 to 7.94) | .07 | 0.66 (−0.12 to 1.44) | .10 | 2.00 (−0.43 to 4.43) | .11 | 0.53 (0.04 to 1.01) | .03 |
| Treatment by time (linear interaction) | 13.25 (7.43 to 19.06) | <.0001 | 9.22 (5.74 to 12.69) | <.0001 | ||||
| Time by Time (quadratic term) | −0.54 (−1.29 to 0.21) | .16 | −0.15 (−0.49 to 0.18) | .37 | ||||
| Treatment by time × time (quadratic interaction) | −1.84 (−2.91 to −0.78) | .0007 | −1.05 (−1.53 to −0.57) | <.0001 | ||||
| Baseline energy/vitality | 0.23 (0.10 to 0.35) | .0004 | 0.22 (0.09 to 0.36) | .002 | .22 (0.10 to 0.34) | .0006 | 0.21 (0.08 to 0.34) | .002 |
| Baseline PS | 1.07 (−7.83 to 9.97) | .81 | 0.58 (−9.19 to 10.36) | .91 | 1.55 (−7.25 to 10.34) | .73 | 0.92 (−8.67 to 10.51) | .85 |
| Baseline CARESPHYS | −4.13 (−10.48 to 2.22) | .20 | −5.32 (−12.43 to 1.80) | .14 | −3.73 (−9.97 to 2.52) | .24 | −4.73 (−11.65 to 2.20) | .18 |
| Baseline SDS | −0.70 (−1.29 to −0.12) | .02 | −0.79 (−1.42 to −0.15) | .02 | −0.77 (−1.35 to −0.20) | .009 | −0.84 (−1.47 to −0.22) | .009 |
PS performance status, CARESPHYS Cancer Rehabilitation Evaluation System-Short Form Physical score, SDS symptom distress scale