Table 8 Serum ferritin EPO administered interaction: hazard ratios and patient survival
Interaction | Patients (n) | Serum ferritin (μg/L) | EPO given (103 u/week) | Hazard Ratio (HR) | HR 95% Confidence Limits | Median Survival (days) |
|---|---|---|---|---|---|---|
A | 24 | ≤ 100 | 0–12.1 | 7.37 | 3.40, 16.0 | 224 |
B | 85 | 101–300 | 0–12.1 | 4.14 | 2.24, 7.67 | 569 |
C | 110 | 301–600 | 0–12.1 | 2.16 | 1.18, 3.94 | 956 |
D | 127 | 601–1,000 | 0–12.1 | 1.59 | 0.87, 2.92 | 1104 |
E | 80 | > 1,000 | 0–12.1 | 1.89 | 1.04, 3.41 | 1278 |
F | 58 | ≤ 100 | 12.1–27.7 | 5.93 | 3.23, 10.90 | 492 |
G | 198 | 101–300 | 12.1–27.7 | 3.79 | 2.23, 6.43 | 507 |
H | 231 | 301–600 | 12.1–27.7 | 2.24 | 1.33, 3.78 | 715 |
I | 229 | 601–1,000 | 12.1–27.7 | 1.73 | 1.01, 2.94 | 1111 |
J | 131 | > 1,000 | 12.1–27.7 | 1.67 | 0.96, 2.89 | 1189 |
K | 34 | ≤ 100 | > 27.7 | 3.39 | 1.61, 7.14 | 303 |
L | 110 | 101–300 | > 27.7 | 2.27 | 1.33, 3.90 | 621 |
M | 106 | 301–600 | > 27.7 | 2.1 | 1.202, 3.62 | 604 |
N | 115 | 601–1,000 | > 27.7 | 1.50 | 0.90, 2.67 | 784 |
O | 52 | > 1,000 | > 27.7 | Â | Â | 934 |