Insulin-like growth factor 1 (IGF-1) and insulin-like growth factor binding protein 3 (IGFBP-3) levels by patient characteristics
| No of patients | Mean IGF-1 (nmol/l) | Mean IGFBP-3 (nmol/l) | |
|---|---|---|---|
| All cases | 443 | 22.5 | 111.2 |
| Male | 231 | 23.5 | 108.6 |
| Female | 212 | 21.4 | 114.0 |
| AJCC stage | |||
| I | 110 | 22.8 | 112.1 |
| II | 125 | 22.0 | 110.4 |
| III | 125 | 22.7 | 110.9 |
| IV | 72 | 22.7 | 112.4 |
| Unknown | 11 | ||
| Primary tumour site | |||
| Right colon | 138 | 22.6 | 109.3 |
| Splenic flexure | 1 | ||
| Left colon | 143 | 23.0 | 114.3 |
| Rectum | 150 | 21.9 | 109.7 |
| Unknown | 11 | ||
| Degree of differentiation | |||
| Well | 37 | 24.5 | 110.3 |
| Moderate | 254 | 22.7 | 112.7 |
| Poor | 98 | 20.8 | 107.6 |
| Unknown | 54 | ||
| Physically active | 194 | 22.5 | 112.8 |
| Physically inactive | 249 | 22.4 | 109.9 |