Skip to main content

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%)
  1. OS: overall survival; IQR: interquartile range