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Table 3 Group 2 (combined phacovitrectomy) overall outcomes of each formula

From: Intraocular lens power calculation formulas accuracy in combined phacovitrectomy: an 8-formulas comparison study

Formula ME SD MAE MedAE Percentage of eyes within Rank
 ± 0.25D  ± 0.50D  ± 1.00D
Kane 0.000 0.471 0.364 0.270 48.3 71.6 95.7 1.7
PEARL-DGS 0.000 0.486 0.377 0.295 44.8 74.1 95.7 1.8
EVO 2.0 0.000 0.485 0.375 0.308 41.4 72.4 94.0 2.5
Barrett UII 0.000 0.508 0.393 0.288 41.4 69.0 96.6 3.5
Haigis 0.000 0.525 0.392 0.315 40.5 71.6 90.5 4.8
Holladay 1 0.000 0.532 0.406 0.311 42.2 70.7 91.4 4.8
SRK/T 0.000 0.532 0.411 0.319 37.1 66.4 93.1 5.7
Hoffer Q 0.000 0.554 0.419 0.329 38.8 69.8 91.4 6.0
  1. ME mean prediction error, SD standard deviation, MAE mean absolute error, MedAE median absolute error