Table 3 OS and OS rate in high-risk and low-risk groups according to the established model risk score in the primary and validation cohort
From: Development and validation of a risk prediction score for patients with nasopharyngeal carcinoma
Parameter | Primary cohort | Validation cohort | ||||
|---|---|---|---|---|---|---|
High-risk group | Low-risk Group | Total | High-risk group | Low-risk Group | Total | |
No. of patients | 150 | 213 | 363 | 71 | 85 | 156 |
Median (IQR) | 46.5 (27.0–65.9) | 61.0 (45.1–68) | 51.0 (42.3–66.7) | 45.8 (30.5–66.0) | 61.2 (45.3–66.0) | 50.4 (41.7–66.0) |
No. of OS | ||||||
1-Year | 135 (90.0%) | 211 (99.0%) | 345 (95.0%) | 69 (97.2%) | 84 (98.8%) | 154 (98.7%) |
3-Year | 107 (71.3%) | 198 (93.0%) | 305 (84.0%) | 50 (70.4%) | 81 (95.3%) | 131 (84.0%) |
5-Year | 56 (37.3%) | 114 (53.5%) | 170 (46.8%) | 25 (35.2%) | 46 (54.1%) | 71 (45.5%) |