Table 2.
Baseline characteristics of the model establishment and model validation groups
| Characteristic | Model establishment group | Model validation group | P-value |
|---|---|---|---|
| Number of eyes | 192 | 48 | |
| Age, years | 27.54 ± 6.24 | 27.38 ± 5.64 | 0.666 |
| Sex (male/female) | 17/113 | 5/42 | 0.881 |
| SE (D) | -9.62 ± 3.03 | 9.76 ± 2.54 | 0.763 |
| Pentacam | |||
| iACD (mm) | 3.22 ± 0.25 | 3.21 ± 0.23 | 0.702 |
| WTW (mm) | 11.52 ± 0.37 | 11.60 ± 0.36 | 0.177 |
| ACV (mm3) | 190.91 ± 30.14 | 192.08 ± 30.07 | 0.810 |
| ACA (°) | 38.76 ± 4.71 | 38.11 ± 4.23 | 0.380 |
| Kf (D) | 43.15 ± 1.47 | 43.06 ± 1.38 | 0.689 |
| KS (D) | 44.89 ± 1.77 | 44.81 ± 1.62 | 0.764 |
| CCTS (microns) | 526.39 ± 29.50 | 524.77 ± 28.75 | 0.734 |
| IOLMaster 700 | |||
| AL (mm) | 26.85 ± 1.44 | 26.82 ± 1.13 | 0.880 |
| LT (mm) | 3.68 ± 0.23 | 3.70 ± 0.26 | 0.661 |
| UBM | |||
| hSTS (mm) | 11.35 ± 0.48 | 11.37 ± 0.47 | 0.765 |
| vSTS (mm) | 11.81 ± 0.49 | 11.75 ± 0.48 | 0.448 |
| hSTSL (mm) | 0.27 ± 0.19 | 0.32 ± 0.18 | 0.088 |
| vSTSL (mm) | 0.43 ± 0.18 | 0.45 ± 0.17 | 0.471 |
| PCA3 (°) | 67.05 ± 33.68 | 55.46 ± 27.05 | 0.014 * |
| CSR3 (mm) | 0.12 ± 0.18 | 0.05 ± 0.13 | 0.003 ** |
| LD-ITC3 (mm) | 0.41 ± 0.20 | 0.40 ± 0.17 | 0.648 |
| HCP3 (mm) | 1.31 ± 0.15 | 1.30 ± 0.16 | 0.915 |
| PCA9 (°) | 65.98 ± 31.95 | 63.02 ± 33.81 | 0.571 |
| CSR9 (mm) | 0.12 ± 0.19 | 0.09 ± 0.15 | 0.329 |
| LD-ITC9 (mm) | 0.43 ± 0.18 | 0.38 ± 0.18 | 0.077 |
| HCP9 (mm) | 1.35 ± 0.16 | 1.35 ± 0.14 | 0.923 |
| PCA6 (°) | 67.97 ± 34.74 | 63.93 ± 32.75 | 0.467 |
| CSR6 (mm) | 0.13 ± 0.19 | 0.11 ± 0.17 | 0.516 |
| LD-ITC6 (mm) | 0.40 ± 0.18 | 0.41 ± 0.19 | 0.658 |
| HCP6 (mm) | 1.32 ± 0.15 | 1.31 ± 0.12 | 0.642 |
| PCA12 (°) | 85.39 ± 35.00 | 90.82 ± 28.32 | 0.262 |
| CSR12 (mm) | 0.22 ± 0.21 | 0.25 ± 0.19 | 0.375 |
| LD-ITC12 (mm) | 0.53 ± 0.19 | 0.54 ± 0.19 | 0.668 |
| HCP12 (mm) | 1.29 ± 0.16 | 1.28 ± 0.15 | 0.675 |
| CASIA2 AS-OCT | |||
| ACW (mm) | 11.56 ± 0.36 | 11.60 ± 0.34 | 0.485 |
| CLR (mm) | 41.70 ± 177.33 | 7.69 ± 174.79 | 0.085 |
| ATA (mm) | 11.68 ± 0.36 | 11.72 ± 0.34 | 0.566 |
| ICL size (12.1/12.6/13.2/13.7) | 30/113/44/5 | 7/29/11/1 | |
| Vault (1 month) (µm) | 675.26 ± 218.34 | 716.06 ± 233.84 | 0.255 |
* P < 0.05; ** P < 0.001; SE, spherical equivalent; iACD, internal anterior chamber depth; WTW, white-to-white; ACV, anterior chamber volume; ACA, anterior chamber angle; Kf, flat keratometry; KS, steep keratometry; CCT, central corneal thickness; AL, axial length; LT, lens thickness; hSTS, horizontal ciliary sulcus to ciliary sulcus; vSTS, horizontal ciliary sulcus to ciliary sulcus; hSTSL, distance between hSTS plane and anterior crystalline lens surface; vSTSL, distance between vSTS plane and anterior crystalline lens surface; PCA3,6,9,12, posterior chamber angle at 3, 6, 9, and 12 o’clock; CSR3,6,9,12, width of the ciliary sulcus recess at 3, 6, 9, and 12 o’clock; LD-ITC3,6,9,12, linear short from posterior surface of peripheral iris to ciliary process at 3, 6, 9, and 12 o’clock; HCP3,6,9,12, height of ciliary the processes at 3, 6, 9, and 12 o’clock; ACW, anterior chamber width; CLR, crystalline lens rise; ATA, angle-to-angle; ICL size, implantable collamer lens size (STAAR Surgical)