| NLR Group | Estimate | SE | 95%CI | χ2 | P | |
| Lower | Upper | |||||
| Low | 11.98 | 0.01 | 11.96 | 12.01 | 25.50 | 0.00 |
| High | 11.44 | 0.16 | 11.14 | 11.74 | - | - |