Table 4 HRs and 2-, 3- and 4-year PFS and OS probabilities for patients at high and low risk in the training set for the model with imaging and clinical variables and the model with clinical variables only
| Â | PFS | OS | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | N | HR (95% CI) | 2-year PFS probability, % (95% CI) | 3-year PFS probability, % (95% CI) | 4-year PFS probability, % (95% CI) | n | HR (95% CI) | 2-year OS probability, % (95% CI) | 3-year OS probability, % (95% CI) | 4-year OS probability, % (95% CI) |
Model with imaging and clinical variables | ||||||||||
Low-risk patients | 408 | Reference | 84 (80–88) | 81 (77–85) | 78 (74–82) | 422 | Reference | 91 (88–94) | 90 (87–93) | 89 (85–92) |
High-risk patients | 438 | 2.36 (1.82–3.05) | 64 (59–68) | 59 (55–64) | 57 (53–62) | 424 | 2.69 (1.93–3.73) | 79 (75–83) | 74 (69–78) | 71 (67–76) |
Model with clinical variables only | ||||||||||
Low-risk patients | 419 | Reference | 80 (76–84) | 76 (72–81) | 74 (69–78) | 419 | Reference | 90 (87–93) | 88 (85–91) | 86 (82–89) |
High-risk patients | 427 | 1.80 (1.40–2.30) | 67 (63–72) | 63 (58–68) | 61 (56–66) | 427 | 2.03 (1.48–2.78) | 80 (76–84) | 75 (71–80) | 74 (70–78) |