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Table 1 Patient cohort characteristics

From: Conditional survival and changing risk profile in patients with chordoma: a population-based longitudinal cohort study

Characteristic Value
Age, years
 Mean ± SD 55.0 ± 19.9
 Median (range) 57(0–98)
 Interquartile range 28
Age, n (%)
 0–59 1067(54.9%)
 60+ 875(45.1%)
Year of diagnosis, n (%)
 1970s 93(4.8%)
 1980s 188(9.7%)
 1990s 308(15.9%)
 2000s 752(38.7%)
 2010s 604(31.1%)
Gender, n (%)
 Male 1139(58.7%)
 Female 803(41.3%)
Race, n (%)
 White 1675(86.3%)
 Black 69(3.6%)
 Other 180(9.3%)
 Unknown 18(0.9%)
Histological type, n (%)
 Chordoma, NOS 1840(94.7%)
 Chondroid chordoma 90(4.6%)
 Dedifferentiated chordoma 12(0.6%)
Disease stage, n (%)
 Localized 625(32.2%)
 Regional 700(36.0%)
 Distant 142(7.3%)
 Unknown 475(24.5%)
Tumor size, n (%)
 < 5 557(28.7%)
 5~10 373(19.2%)
 ≥ 10 175(9.0%)
 Unknown 837(43.1%)
Surgery, n (%)
 Yes 1523(78.4%)
 No 419(21.6%)
Radiation, n (%)
 Yes 856(44.1%)
 No 1035(53.3%)
 Unknown 51(2.6%)
  1. NOS not otherwise specified