Table 2.
Parameter Estimates and Standard Errors for All Covariates and All Transitions for Model 1
| Transition 1: Timing of LR |
Transition 2: Timing of M |
Transition: 3 Timing of Death |
Transition 4: Timing of Death after LR |
Transition 5: Timing of Death after M |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coefficient (95% CI) |
P Value | Coefficient (95% CI) |
P Value | Coefficient (95% CI) |
P Value | Coefficient (95% CI) |
P Value | Coefficient (95% CI) |
P Value | |
| WHO performance status |
0.85 (−0.12, 1.82) |
0.09 | 0.84 (0.22, 1.46) |
0.01 | 0.54 (−0.33, 1.42) |
0.22 | ||||
| N status | −0.28 (−1.12, 0.55) |
0.51 | 0.41 (−0.11, 0.93) |
0.12 | 1.09 (0.40, 1.78) |
0.00 | ||||
| RT2 | −0.74 (−1.54, 0.05) |
0.07 | −2.27 (−2.98,-1.55) |
<0.001 | −0.91 (−1.55,-0.27) |
0.01 | −0.35 (−1.21, 0.50) |
0.42 | −0.14 (−0.59, 0.30) |
0.52 |
| GTV (per 10 cc) |
0.01 (−0.04,0.07) |
0.66 | −0.02 (−0.01–0.04) |
0.13 | 0.03 (0.01–0.06) |
0.02 | ||||
| Chemotherapy | 0.86 (−0.07, 1.79) |
0.07 | 1.17 (0.50, 1.83) |
<0.001 | −0.47 (−1.14, 0.20) |
0.17 | ||||
Note: CI = confidence interval; GTV = gross tumor volume; LR = local recurrence; M = metastasis; RT2 = radiotherapy planning based on positron emission tomography and computed tomography; WHO = World Health Organization.