| Overall | 1972–1985 | 1986–1999 | 2000–2014 | P |
---|---|---|---|---|---|
Age at diagnosis | |||||
 Overall | 44.7 ± 12.5 | 39.9 ± 13.9 | 41.3 ± 13.8 | 45.1 ± 12.3 | < 0.001 |
  Male | 45.8 ± 13.3 | 41.7 ± 15.7 | 45.9 ± 14.6 | 45.9 ± 13.1 | 0.076 |
  Female | 44.3 ± 12.2 | 38.4 ± 12.1 | 39.3 ± 13.0 | 44.8 ± 12.0 | < 0.001 |
  P | < 0.001 | 0.209 | < 0.001 | < 0.001 |  |
Sex | |||||
  Male | 3458 (27.6) | 54 (45.4) | 334 (30.3) | 3070 (27.2) | < 0.001 |
  Female | 9050 (72.4) | 65 (54.6) | 768 (69.7) | 8217 (72.8) | |
 Male-to-female ratio | 0.38 | 0.83 | 0.43 | 0.37 |  |
Pathological classifications | |||||
  PTCa | 10,979 (94.9) | 73 (78.5) | 795 (82.9) | 10,111 (96.1) | < 0.001 |
  FTCb | 303 (2.6) | 11 (11.8) | 65 (6.8) | 227 (2.2) | |
  MTCc | 214 (1.8) | 5 (5.4) | 72 (7.5) | 137 (1.3) | |
  PDTCd | 73 (0.6) | 4 (4.3) | 27 (2.8) | 42 (0.4) |