Table 2.
Stratified analysis of pooled hazard ratios for cancer patients with PDW.
| Stratified analysis | Number of studies | Number of patients | Pooled HR (95%CI) |
|---|---|---|---|
| Cancer type | |||
| Breast cancer | 2 | 453 | 1.21 (1.07–1.36) |
| Pharyngolaryngeal cancer | 2 | 409 | 3.06 (1.68–5.57) |
| Gastrointestinal cancer | 5 | 1164 | 1.13 (0.68–1.87) |
| Median age | |||
| ≥60 | 2 | 443 | 1.58 (1.15–2.16) |
| <60 | 7 | 1576 | 1.64 (1.19–2.26) |
| Follow up (months) | |||
| ≥60 | 5 | 1150 | 1.49 (0.65–3.43) |
| <60 | 4 | 918 | 1.82 (1.03–3.20) |
| Study location | |||
| Asian | 7 | 1524 | 1.71 (0.95–3.07) |
| Non-Asian | 3 | 722 | 1.14 (0.97–1.33) |
| Cut-off value | |||
| ≥16% | 6 | 1398 | 1.84 (1.01–3.40) |
| <16% | 3 | 670 | 1.29 (0.72–2.31) |