Table 5 Subgroup analyses of PLR for OS
| Â | No. | HR | 95% CI | P | I-squared | P H |
|---|---|---|---|---|---|---|
Ethnicity | ||||||
 Asian | 3 | 2.01 | 1.42–2.87 | 0.000 | 0.0% | 0.623 |
 Other | 3 | 1.52 | 1.11–2.09 | 0.009 | 0.0% | 0.435 |
Patients status | ||||||
 PCa | 4 | 2.01 | 1.42–2.87 | 0.068 | 0.0% | 0.623 |
 mCRPC | 1 | 1.41 | 0.98–2.04 | 0.068 | – | – |
 Localized PCa | 1 | 1.87 | 1.02–3.42 | 0.043 | – | – |
Sample size | ||||||
 ≤ 300 | 4 | 1.70 | 1.32–2.19 | 0.000 | 0.0% | 0.421 |
 > 300 | 2 | 1.87 | 1.02–3.42 | 0.043 | – | – |
Follow time | ||||||
 ≤ 30 | 2 | 1.49 | 1.06–2.10 | 0.022 | 0.0% | 0.425 |
 > 30 | 4 | 1.96 | 1.42–2.71 | 0.000 | 0.0% | 0.615 |
Cut–off | ||||||
 ≤ 150 | 2 | 2.01 | 1.42–2.87 | 0.000 | 0.0% | 0.655 |
 > 150 | 3 | 1.52 | 1.11–2.09 | 0.009 | 25.7% | 0.261 |
 No | 1 | 1.00 | 1.36–2.18 | 0.000 | – | – |
Statistical method | ||||||
 Multivariable | 3 | 1.75 | 1.16–2.62 | 0.007 | 0.0% | 0.763 |
 Univariable | 3 | 1.78 | 1.23–2.58 | 0.002 | 28.7% | 0.246 |
Therapy | ||||||
 Surgery | 2 | 1.87 | 1.02–3.42 | 0.043 | – | – |
 Chemotherapy | 2 | 1.48 | 1.09–2.01 | 0.012 | 0.0% | 0.640 |
 Radiotherapy | 2 | 2.33 | 1.46–3.69 | 0.000 | 0.0% | 0.798 |