Table 1. Subject demographics.
| Characteristics | Group I | Group II | Group III | Group IV | P value |
|---|---|---|---|---|---|
| Number | 59 | 25 | 26 | 21 | |
| Age | 48.7±6.2§ | 50.4±4.8 | 52.5±4.6 | 50.5±6.1 | 0.031† |
| Female (%) | 40 (67.8) | 15 (60.0) | 18 (69.2) | 17 (81.0) | 0.50‡ |
| Visual acuity (LogMAR) | |||||
| UDVA | 0.56±0.37 | 0.29±0.20 | 0.25±0.33 | 0.37±0.30 | 0.23‡ |
| UNVA | 0.40±0.26 | 0.34±0.28 | 0.41±0.21 | 0.32±0.24 | 0.45‡ |
| Manifest refraction (D) | |||||
| Spherical equivalent | −0.73±1.97 | −0.49±0.92 | −0.84±1.17 | −0.75±1.36 | 0.56‡ |
| Refractive sphere | −0.43±2.02 | −0.22±0.91 | −0.35±0.49 | −0.44±1.37 | 0.22‡ |
| Refractive astigmatism | −0.60±0.61 | −0.53±0.71 | −0.36±0.35 | −0.61±0.59 | 0.48‡ |
| Keratometry (D) | 39.92±2.47§ | 41.30±1.65 | 41.66±2.16 | 40.61±2.52 | 0.010‡ |
| Central corneal thickness (μm) | 483.0±41.4§ | 514.5±33.2 | 482.4±42.4 | 479.8±34.0 | 0.007‡ |
| Anterior chamber depth (mm) | 3.42±0.31 | 3.52±0.25 | 3.32±0.32 | 3.38±0.32 | 0.051‡ |
| Axial length (mm) | 26.23±1.99§ | 25.21±1.07 | 24.92±1.33 | 25.48±1.79 | 0.003‡ |
| IOL power (D) | 20.11±4.64 | 20.28±3.52 | 19.98±2.07 | 21.12±2.78 | 0.46† |
†, P value by Kruskal-Wallis H test; ‡, P value by chi-squared test; §, Group I showed statistically different values compared to each of groups II, III, and IV. UDVA, uncorrected distance visual acuity; UNVA, uncorrected near visual acuity; IOL, intraocular lens.