Table 4 Association of age and rate of LN+

< 50

1.792 (1.212–2.650)

1.805 (1.217–2.676)

1.377 (1.049–1.807)

1.360 (1.033–1.790)

1.451 (0.981–2.147)

1.492 (1.002–2.220)

50–59

1.527 (1.125–2.075)

1.551 (1.139–2.111)

1.409 (1.178–1.687)

1.407 (1.173–1.688)

1.394 (1.061–1.830)

1.411 (1.070–1.861)

60–69

1.453 (1.093–1.931)

1.467 (1.102–1.952)

1.242 (1.059–1.458)

1.237 (1.053–1.453)

1.130 (0.890–1.435)

1.146 (0.900–1.459)

70–79

1.225 (0.917–1.637)

1.239 (0.926–1.656)

0.892 (0.761–1.045)

0.897 (0.765–1.052)

1.013 (0.799–1.283)

1.020 (.803–1.296)

≥80 (reference)

1.000

1.000

1.000

1.000

1.000

1.000

P^*

0.007

0.007

< 0.001

< 0.001

0.025

0.022