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Table 3 Refractive accuracy for each intraocular lens calculation formula after previous radial keratotomy

From: Comparison of the accuracy of three intraocular lens power calculation formulas in cataract patients with prior radial keratotomy

Formula

MPE (95%CI)

SD of MPE

Range of PE

MAE

MedAE (25% to 75%)

Barrett True-K

− 0.235 (− 0.555 to 0.085)

1.091

− 2.440 to 3.920

0.813

0.620 (0.230 to 1.105)

Holladay 1 (D–K)

0.294 (− 0.154 to 0.742)

1.525

− 2.835 to 5.390

1.227

1.160 (0.535 to 1.605)

Haigis

0.246 (− 0.105 to 0.597)

1.196

− 2.290 to 4.580

0.905

0.760 (0.370 to 1.145)

  1. CI confidence interval, MPE mean predictive error, SD standard deviation, PE predictive error, MAE mean absolute error, MedAE median absolute error, Holladay 1 (D–K) Holladay 1 (Double-K)