Table 1.
Comparison of Patient Characteristics for those in NSABP trial C-07 and the Cross-sectional and Longitudinal LTS-01 Samples
| Characteristic | C-07 | LTS-01 | ||||
|---|---|---|---|---|---|---|
| Cross-Sectional Sample | Longitudinal Sample | |||||
|
| ||||||
| No. of Patients (%) | No. of Patients (%) | P* | No. of Patients (%) | P* | ||
| N | 2467 | 353 | 92 | |||
| Age, years | ||||||
| < 50 | 561 (22.7) | 79 (22.4) | 0.46 | 20 (21.7) | 0.53 | |
| 50-59 | 712 (28.9) | 110 (31.2) | 32 (34.8) | |||
| 60-69 | 794 (32.2) | 117 (33.1) | 29 (31.5) | |||
| ≥ 70 | 400 (16.2) | 47 (13.3) | 11 (12.0) | |||
| Sex | ||||||
| Male | 1392 (56.4) | 214 (60.6) | 0.11 | 60 (65.2) | 0.09 | |
| Female | 1075 (43.6) | 139 (39.4) | 32 (34.8) | |||
| Positive Nodes† | ||||||
| 0 | 714 (28.9) | 112 (31.7) | 0.03 | 30 (32.6) | 0.02 | |
| 1-3 | 1121 (45.4) | 172 (48.7) | 50 (54.4) | |||
| 4+ | 631 (25.6) | 69 (19.6) | 12 (13.0) | |||
| Unknown | 1 (<0.1) | 0 (0) | 0 (0) | |||
| Site | ||||||
| Left Colon | 499 (20.2) | 78 (22.1) | 0.79 | 20 (21.7) | 0.39 | |
| Right Colon | 1085 (44.0) | 150 (42.5) | 46 (50.0) | |||
| Sigmoid | 855 (34.7) | 122 (34.6) | 26 (28.3) | |||
| Multiple | 28 (1.1) | 3 (0.9) | 0 (0) | |||
Abbreviations: NSABP, National Surgical Adjuvant Breast and Bowel Project; LTS-01, Long-Term Survivors study; FULV, fluorouracil and leucovorin; FLOX, FULV plus oxaliplatin.
*
P-value from the χ2 goodness of fit test.
†
χ2 goodness of fit test does not include unknown category.