Table 2 Comparison of original data and simulated data covariate distributions
| Â | Original Data (%) | Simulated Data (%) | Absolute Difference (%) |
|---|---|---|---|
Stage at Diagnosis | |||
 Localized | 3716 (40.91) | 3724 (41.28) | 0.37 |
 Regional | 1148 (12.64) | 1140 (12.64) | 0.00 |
 Distant | 2907 (32.00) | 2836 (31.46) | 0.54 |
 Missing | 1313 (14.45) | 1319 (14.62) | 0.17 |
Anatomical Tumour Subsite | |||
 Coecum and Ascending | 3239 (35.66) | 3227 (35.77) | 0.11 |
 Transverse | 1607 (17.69) | 1569 (17.39) | 0.30 |
 Sigmoid and Descending | 3660 (40.29) | 3659 (40.56) | 0.27 |
 Other and NOS | 578 (6.36) | 566 (6.27) | 0.07 |
Age Group | |||
  < 45 | 379 (4.17) | 368 (4.08) | 0.09 |
 45–60 | 1338 (14.73) | 1448 (16.05) | 1.32 |
 60–75 | 3699 (40.72) | 3604 (39.95) | 0.77 |
  > 75 | 3688 (40.38) | 3601 (39.91) | 0.47 |
Sex | |||
 Male | 3799 (41.82) | 3724 (41.28) | 0.54 |
 Female | 5285 (58.18) | 5297 (58.72) | 0.54 |
Vital Status | |||
 Alive | 3557 (39.16) | 3467 (38.43) | 0.73 |
 Dead | 5527 (60.84) | 5554 (61.57) | 0.73 |