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Table 4 Summary of limits of agreement (LOA) between devices

From: Comparison of white-to-white measurements using four devices and their determination of ICL sizing

 

Bias (95% CI)

LOA low limit (95% CI)

LOA upper limit (95% CI)

Pearson r (95% CI)

WTW analysis

 Orbscan vs. Caliper

0.11 (0.07 to 0.15)

 − 0.27 (− 0.33 to − 0.20)

0.49 (0.42 to 0.55)

0.8557 (0.80 to 0.90)

 Orbscan vs. IOLMaster

 − 0.58 (− 0.61 to − 0.54)

 − 0.92 (− 0.97 to − 0.86)

 − 0.23 (− 0.29 to − 0.018)

0.8890 (0.84 to 0.92)

 Orbscan vs. Pentacam

 − 0.21 (− 0.24 to − 0.17)

 − 0.55 (− 0.61 to − 0.49)

0.13 (0.8 to 0.19)

0.8985 (0.85 to 0.93)

ACD analysis

 Orbscan vs. IOLMaster

 − 0.01 (− 0.03 to 0.01)

 − 0.19 (− 0.22 to − 0.16)

0.17 (0.14 to 0.20)

0.9288 (0.90 to 0.95)

 Orbscan vs. Pentacam

− 0.03 (− 0.06 to − 0.01)

 − 0.26 (− 0.30 to − 0.22)

0.19 (0.15 to 0.23)

0.8906 (0.84 to 0.92)

  1. CI = confidence interval; WTW = white-to-white; ACD = anterior chamber depth