Research Article
Reliability of a New Swept-Source Optical Coherence Tomography Biometer in Healthy Children, Adults, and Cataract Patients
Table 1
Intraobserver repeatability outcomes for biometric measurements obtained using IOLMaster 700 swept-source optical coherence tomography in children.
| | Parameter | Observer | Mean ± SD | Sw | TRT | CoV (%) | ICC (95% CI) |
| | AL (mm) | 1st | 24.7 ± 1.07 | 0.01 | 0.03 | 0.04 | 1.000 (1.000 to 1.000) | | 2nd | 24.7 ± 1.07 | 0.01 | 0.02 | 0.03 | 1.000 (1.000 to 1.000) | | CCT (μm) | 1st | 552.27 ± 33.6 | 2.80 | 7.76 | 0.51 | 0.993 (0.990 to 0.995) | | 2nd | 551.78 ± 33.2 | 2.86 | 7.93 | 0.52 | 0.993 (0.989 to 0.995) | | ACD (mm) | 1st | 3.76 ± 0.24 | 0.02 | 0.05 | 0.48 | 0.994 (0.992 to 0.996) | | 2nd | 3.76 ± 0.23 | 0.01 | 0.04 | 0.40 | 0.996 (0.994 to 0.997) | | LT (mm) | 1st | 3.38 ± 0.15 | 0.02 | 0.07 | 0.72 | 0.973 (0.962 to 0.981) | | 2nd | 3.38 ± 0.15 | 0.02 | 0.06 | 0.61 | 0.981 (0.974 to 0.987) | | Km (D) | 1st | 42.73 ± 1.55 | 0.09 | 0.26 | 0.22 | 0.996 (0.995 to 0.997) | | 2nd | 42.73 ± 1.55 | 0.11 | 0.30 | 0.25 | 0.995 (0.993 to 0.997) | | WTW (mm) | 1st | 12.28 ± 0.43 | 0.09 | 0.26 | 0.75 | 0.955 (0.938 to 0.968) | | 2nd | 12.27 ± 0.42 | 0.09 | 0.26 | 0.76 | 0.952 (0.934 to 0.966) |
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AL = axial length, CCT = central corneal thickness, ACD = anterior chamber depth, LT = lens thickness, K = keratometry, WTW = white to white, SD = standard deviation, Sw = within-subject standard deviation, TRT = test-retest repeatability (2.77 Sw), CoV = within-subject coefficient of variation, and ICC = intraclass correlation coefficient.
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