Table 1 Patient demographics and disease characteristics (n = 228)
Characteristics | No. of patients (%) b |
|---|---|
Age at start of treatment a (years) | 56 (25–81) |
Sex ratio (M: F) | 160: 68 |
KPS | |
 70–80 | 26 (11.4) |
 90–100 | 202 (88.6) |
Clinical tumor category | |
 T2 N1–2 | 2 (0.9) |
 T3 N0 | 2 (0.9) |
 T3 N1–2 | 95 (41.7) |
 T4 N1–2 | 129 (56.6) |
Metastatic site | |
 Liver | 116 (50.9) |
 Lung | 64 (28.1) |
 Liver and lung | 20 (8.8) |
 Distant lymph nodes | 28 (12.3) |
No. of liver metastases | n = 116 |
 1–3 | 78 (67.2) |
 4–5 | 9 (7.8) |
 ≥ 6 | 29 (25) |
Location of liver metastases | n = 136 |
 Unilobar | 52 (38.2) |
 Multilobar | 84 (61.8) |
Diameter of largest liver metastasis a (cm) | 2.0 (0.6–12) |
Length of rectal cancer a (cm) | 5.5 (1.5–16) |
Location of primary rectal cancer | |
 Low (0-5 cm) | 61 (26.8) |
 Middle (5-10 cm) | 134 (58.8) |
 High (10-15 cm) | 33 (14.5) |
Differentiation | |
 Well | 9 (3.9) |
 Moderate | 177 (77.6) |
 Poor | 31 (13.6) |
 Unknown | 11 (4.8) |
CEA at diagnosis a (ng/ml) | 14.6 (0.7–2677) |
CA199 at diagnosis a (U/ml) | 31.4 (0.6–20,000) |