Table A1.
Factor | Percent High Risk* | P† |
---|---|---|
Age (mean age; high v low risk) | 64 v 63 years | .43 |
Sex (male v female) | 57% v 49% | .003 |
Race (white v other) | 52% v 73% | < .001 |
Treatment (edrecolomab v observation) | 53% v 54% | .66 |
T stage (T4 v T3) | 65% v 53% | .04 |
Nodes examined (mean No. of nodes; high v low risk) | 14 v 14 nodes | .89 |
Perineural invasion (absent v present) | 53% v 60% | .46 |
Lymphovascular invasion (absent v present) | 52% v 63% | .01 |
Tumor grade (high v low) | 53% v 53% | .95 |
Tumor location (proximal v distal) | 51% v 57% | .03 |
Obstruction perforation (absent v present) | 53% v 67% | .17 |
MMR (deficient v intact) | 45% v 56% | < .001 |
Abbreviation: MMR, mismatch repair.
Except for continuous variables age and number of nodes examined, where means are given.
χ2 test except for continuous variables, where the t test was used.