Research Article
Evaluation of the Repeatability and the Reproducibility of AL-Scan Measurements Obtained by Residents
Table 2
Comparison of three consecutive IOL power measurements taken by both ophthalmology residents (Repeatability).
| | Parameter | Resident | 1st measurement
Mean ± SD
(Min–Max) | 2nd measurement
Mean ± SD
(Min–Max) | 3rd measurement
Mean ± SD
(Min–Max) | ICC (Confidence interval) |
| | SRK/T (D) | 1 | (10.98–30.86) | (11.1–30.9) | (10.95–30.93) | 0.983
(0.977–0.988) | | 2 | (11.53–30.86) | (11.22–30.72) | (11.02–31) | 0.996
(0.995–0.997) | | Difference | (−1.73–0.66) | (−0.66–0.6) | (−2.85–5.78) | |
| | Holladay (D) | 1 | (10.46–31.35) | (10.59–31.41) | (10.43–31.44) | 0.983
(0.977–0.987) | | 2 | (11.06–31.35) | (10.72–31.21) | (10.5–31.53) | 0.996
(0.994–0.997) | | Difference | (−1.87–0.63) | (−0.71–0.64) | (−2.7–6.11) | |
| | HofferQ (D) | 1 | (10.58–31.84) | (10.7–31.9) | (10.53–31.94) | 0.981
(0.974–0.986) | | 2 | (11.23–31.84) | (10.84–31.69) | (10.61–32.03) | 0.995
(0.994–0.996) | | Difference | (−2.14–0.67) | (−0.76–0.68) | (−2.74–6.83) | |
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Friedman test.
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