Table 1.
Correlation between R2* value and prognostic factors
| Prognostic factors | N | R2* (Hz) | t | P |
|---|---|---|---|---|
| BMI (kg/m2) | ||||
| ≤24.0 | 59 | 52.7 ± 18.7 |
F = 0.193 (P = 0.825) |
0.793* (t = 0.381) |
| 24.1–28.9 | 25 | 51.4 ± 19.8 | 0.538† (t = −0.028) | |
| ≥29.0 | 14 | 55.4 ± 17.1 | 0.630‡ (t = 0.239) | |
| Tumour Size (mm) | ||||
| ≤20.0 | 56 | 47.1 ± 18.1 | −4.051 | 0.000 |
| 20.1–50.0 | 42 | 61.7 ± 16.0 | ||
| Histological grade | ||||
| I | 4 | 49.7 ± 17.5 | ||
| II | 62 | 55.1 ± 17.7 | 0.416 | 0.678§ |
| III | 32 | 53.4 ± 16.4 | ||
| Lymph node metastasis | ||||
| Positive | 48 | 58.1 ± 16.7 | 2.882 | 0.005 |
| Negative | 50 | 47.6 ± 19.1 |
BMI: ANOVA F = 0.064, P = 0.940; LSD-t test: *BMI ≤24.0 kg/m2 and BMI 24.1–28.9 kg/m2;†BMI 24.1–28.9 kg/m2 and BMI ≥29.0 kg/m2; ‡BMI ≤24.0 kg/m2 and BMI ≥29.0 kg/m2; Histological grade: Mann–Whitney U test: §grade II and grade III.