Skip to main content

Advertisement

Table 2 Mean time between two events in years and number of patients observed by type of event, until the 4th event (median follow-up time = 7.2 years)

From: Factors associated with breast cancer recurrences or mortality and dynamic prediction of death using history of cancer recurrences: the French E3N cohort

  Cancer- 1st event 1st- 2nd event 2nd- 3rd event 3rd- 4th event TOTAL
End period event Year (σ) N (%) Year (σ) N (%) Year (σ) N (%) Year (σ) N (%) Year (σ) N (%)
Locoregional recurrence 4.1 276 3.4 47 1.8 6 2.2 7 4.9 343
  (3.8) (5.6) (3.3) (5.3) (2.5) (2.1) (2.7) (7.1) (3.6) (5.5)
Metastasis 4.4 281 1.5 185 0.9 90 0.5 29 2.7 603
  (3.5) (5.7) (2.2) (21.0) (1.3) (32.4) (0.9) (29.6) (3.2) (9.6)
Second primary breast cancer 5.6 329 3.4 50 2.6 6 2.3 2 5.3 388
  (4.1) (6.6) (3.4) (5.7) (3.6) (2.1) (3.1) (2.0) (4.0) (6.2)
Death 5.3 179 2.5 128 1.9 91 1.3 44 3.3 469
  (3.3) (3.6) (2.3) (14.6) (1.9) (32.9) (1.4) (44.9) (3.0) (7.5)
Censored 7.4 3861 5.1 464 3.3 84 2.3 16 7.1 4436
  (4.7) (78.4) (3.9) (53.1) (2.9) (30.3) (2.7) (16.3) (4.7) (71.1)
TOTAL 7.0 4926 3.8 874 2.0 277 1.3 98 6.1 6239
  (4.7) (100%) (3.6) (100%) (2.3) (100%) (1.8) (100%) (4.7) (100%)
  1. σ = standard error