低对比度视力 | LH (对照组) | LH (NDR组) | LH (轻度NPDR组) | |||
r | P | r | P | r | P | |
6% | 0.431 | 0.278 | 0.061 | 0.868 | 0.242 | 0.531 |
4.3% | 0.247 | 0.469 | 0.324 | 0.361 | 0.559 | 0.118 |
3.2% | -0.007 | 0.985 | 0.333 | 0.347 | 0.402 | 0.283 |