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Table 1 Difference in measurement data of parameters between True Negative Group and False Positive Group

From: The possible causes for tomography suspect Keratoconus in a Chinese cohort

 

Mean ± SD

P

TNG

FPG

SE

−6.28 ± 1.99

−5.86 ± 1.74

0.04

SL

−5.78 ± 1.97

−5.40 ± 1.75

0.06

CL

−1.00 ± 0.74

−0.93 ± 0.80

0.37

BCVA

1.12 ± 0.10

1.12 ± 0.11

0.64

AUS

 CCT

551.64 ± 23.46

520.18 ± 24.39

< 0.001

Sirius

 HVID

12.04 ± 0.38

11.78 ± 0.37

< 0.001

 AC

45.13 ± 2.33

45.94 ± 2.28

0.001

 MPP

42.80 ± 1.18

43.58 ± 1.44

< 0.001

 ACD

3.28 ± 0.29

3.26 ± 0.25

0.60

 IA

43.98 ± 7.36

44.56 ± 4.72

0.38

 CV

58.81 ± 2.50

56.60 ± 3.00

< 0.001

 ThkMin

550.09 ± 23.42

520.28 ± 25.49

< 0.001

Pentacam

 CCT

554.38 ± 22.38

525.96 ± 25.04

< 0.001

 ThkMin

549.78 ± 22.40

519.73 ± 24.84

< 0.001

 RMin

7.60 ± 0.25

7.48 ± 0.27

< 0.001

Topolyzer

 CD

11.75 ± 0.37

11.53 ± 0.36

< 0.001

  1. SD standard deviation, TNG True Negative Group, FPG False Positive Group, KC keratoconus, SE spherical equivalent, SL Spherical Lens degree, CL Cylinder Lens, BCVA Best corrected VA, AUS A-ultrasound, CCT central corneal thickness, HVID horizontal visible iris diameter, AC Apex Curvature, MPP mean pupil power, ACD anterior chamber depth, IA iridocorneal angle, CV corneal volume, ThkMin minimum thickness, RMin minimum sagittal curvature, CD cornea diameter
  2. *After Levene test, and select corresponding two-tailed P value. Dependent sample t test was used