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Table 1 Comparison between control and cataract groups

From: Utility of the optical quality analysis system for decision-making in cataract surgery

 

Control group

Cataract group

 

Total

p-value

CC

NC

PSC

Mixed

p-value

N (eyes)

109

67

 

18

20

9

20

 

Age (year)

59.45 ± 10.53

67.34 ± 8.18

<  0.001*

63.39 ± 6.75

66.35 ± 11.34

69.67 ± 8.53

68.15 ± 5.23

<  0.001*

Male: female

33:76

29:38

†0.079

8:10

7:13

4:5

10:10

†0.408

Eye laterality

 Right: left

54:55

34:33

0.877

10:8

12:8

1:8

11:9

0.185

SE (D)

−0.01 ± 1.71

− 0.25 ± 3.28

0.522

0.87 ± 1.52

−1.00 ± 3.00

− 1.514 ± 7.36

0.05 ± 0.92

0.062

BCVA (logMAR)

0.08 ± 0.23

0.48 ± 0.41

<  0.001*

0.43 ± 0.46

0.54 ± 0.43

0.68 ± 0.61

0.44 ± 0.47

<  0.001*

MTF

22.14 ± 11.17

11.38 ± 8.13

<  0.001*

15.17 ± 8.94

9.68 ± 5.39

8.48 ± 6.03

10.98 ± 9.65

<  0.001*

OSI

1.75 ± 1.51

6.23 ± 3.75

<  0.001*

2.99 ± 1.35

7.58 ± 3.38

8.82 ± 4.10

6.61 ± 3.70

<  0.001*

Strehl ratio

0.13 ± 0.07

0.08 ± 0.04

<  0.001*

0.09 ± 0.03

0.08 ± 0.03

0.07 ± 0.027

0.08 ± 0.05

<  0.001*

PVA 100% (logMAR)

0.19 ± 0.26

0.55 ± 0.323

<  0.001*

0.36 ± 0.24

0.61 ± 0.30

0.67 ± 0.31

0.59 ± 0.35

<  0.001*

PVA 20% (logMAR)

0.31 ± 0.28

0.62 ± 0.34

<  0.001*

0.48 ± 0.29

0.72 ± 0.26

0.64 ± 0.42

0.62 ± 0.40

<  0.001*

PVA 10% (logMAR)

0.53 ± 0.29

0.83 ± 0.21

<  0.001*

0.78 ± 0.20

0.86 ± 0.18

0.90 ± 0.17

0.85 ± 0.24

<  0.001*

  1. NC nuclear cataract, CC cortical cataract, PSC posterior subcapsular cataract, SE spherical equivalent, BCVA best corrected visual acuity, MTF modulation transfer function, OSI objective scatter index, PVA predicted visual acuity
  2. *statistically significant using Student’s t-test, † the Pearson chi-square test
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BMC Ophthalmology

ISSN: 1471-2415

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