Table 5.
Comparison of clinical factors between LDH low and LDH high groups.
| LDH low | LDH high | P value | |
|---|---|---|---|
| Age (years) | 72.0 (71.3) | 73.5 (73.6) | 0.0173∗ |
| Initial PSA (ng/mL) | 391 (1347.6) | 484.3 (1569.0) | 0.4788 |
| EOD score, n | <0.0001∗ | ||
| 0 | 4 | 8 | |
| 1 | 36 | 22 | |
| 2 | 52 | 36 | |
| 3 | 53 | 63 | |
| 4 | 3 | 24 | |
| Gleason score, n | 0.8681 | ||
| ≤7 | 7 | 6 | |
| 8 | 38 | 35 | |
| ≥9 | 95 | 99 | |
| T stage, n | 0.8589 | ||
| ≤2c | 9 | 10 | |
| ≥3a | 141 | 144 | |
| N stage (positive) (%) | 65.33 (98/150) | 63.6 (98/154) | 0.7572 |
| Hb (g/dl) | 13.4 (13.4) | 12.4 (12.0) | <0.0001∗ |
| ALP (U/l) | 355.0 (655.0) | 667.5 (1379.6) | 0.0005∗ |
| NLR (ng/mL) | 2.6 (3.0) | 2.6 (3.1) | 0.4648 |
| CRP (mg/dl) | 0.1 (0.8) | 0.6 (2.4) | 0.0007∗ |
| PFS (months) | 16.6 (25.7) | 9.8 (16.3) | 0.0008∗ |
| OS (months) | 44.3 (52.4) | 29.6 (37.5) | <0.0001∗ |
ALP, alkaline phosphatase; CRP, C-reactive protein; EOD, extent of disease; Hb, haemoglobin; LDH, lactate dehydrogenase; NLR, neutrophil-lymphocyte ratio; OS, overall survival; PFS, progression-free survival; PSA, prostate-specific antigen.