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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