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Table 2 Group 1 (phacoemulsification alone) 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

0.383

0.306

0.264

46.4

81.4

99.0

1.2

PEARL-DGS

0.000

0.385

0.312

0.282

46.5

81.4

99.0

2.0

Barrett UII

0.000

0.398

0.326

0.288

42.3

85.6

99.0

2.7

EVO 2.0

0.000

0.391

0.313

0.271

45.4

80.4

99.0

3.2

Holladay 1

0.000

0.410

0.336

0.293

45.4

74.2

99.0

3.3

Haigis

0.000

0.420

0.344

0.320

41.2

76.3

97.9

4.7

Hoffer Q

0.000

0.435

0.357

0.312

39.2

73.2

99.0

5.0

SRK/T

0.000

0.436

0.363

0.328

35.1

74.2

97.9

6.5

  1. ME mean prediction error, SD standard deviation, MAE mean absolute error, MedAE median absolute error