Table 4 Linear Mixed Model for operation time
Parameter | Coefficient | Std. Error | P-value |
|---|---|---|---|
Grade II nuclear | 0.00 | NA | NA |
Grade I nuclear | 0.03 | 0.04 | 0.383 |
Grade III nuclear | 0.05 | 0.01 | <0.001* |
Grade IV nuclear | 0.21 | 0.01 | <0.001* |
Grade V nuclear | 0.32 | 0.03 | <0.001* |
Manual IOL System | 0.00 | NA | NA |
Preloaded IOL System | -0.07 | 0.01 | <0.001* |