Table 3.
Simple and multiple linear regression analysis of the associations between mean keratometry and some variables studied.
| Simple linear regression | Multiple linear regression | |||
|---|---|---|---|---|
| Coefficient (95%CI) | P | Coefficient (95%CI) | P | |
| Age (year) | 0.010 (0.006-0.015) | <0.001 | 0.010 (0.006-0.014) | <0.001 |
| Gender (male/female) | −0.758 (−0.909 to -0.607) | <0.001 | −0.753 (−0.902 to -0.603) | <0.001 |
| CCT (micron) | −0.003 (−0.005 to -0.001) | 0.008 | ||
| ACD (mm) | −0.298 (−0.496 to -0.100) | 0.003 | ||
| PD (mm) | −0.135 (−0.234 to -0.037) | 0.007 | ||
| SE (D) | −0.043 (−0.094 to 0.008) | <0.001 | ||
CCT: Central corneal thickness, ACD: Anterior chamber depth, PD: Pupil diameter, SE: Spherical equivalent, D: Diopter.