Table 3 Corneal biomechanical properties of the patients with TED receiving orbital decompression and the change after surgery, part 2.

From: Biomechanical changes of the cornea after orbital decompression in thyroid-associated orbitopathy measured by corvis ST

Variable

Session

Mean ± SD

Pairwise comparison (A vs. B)

Mean diff (B-A)

95% CI

P-value

Adjusted P-value

Lower

Upper

IOP-nct [mmHg]

Pre

21.6 ± 5.5

Pre vs. PO1

0.33

 − 1.44

2.09

0.960

NA

PO1

22.1 ± 6.2

Pre vs. PO3

0.58

 − 1.24

2.39

0.832

NA

PO3

21.9 ± 6.2

PO1 vs. PO3

0.25

 − 1.12

1.62

0.962

NA

bIOP [mmHg]

Pre

21.61 ± 4.74

Pre vs. PO1

0.315

 − 1.366

1.996

0.959

NA

PO1

22 ± 5.19

Pre vs. PO3

0.334

 − 1.373

2.040

0.954

NA

PO3

21.77 ± 5.33

PO1 vs. PO3

0.018

 − 1.251

1.288

1.000

NA

Pachymetry [μm]

Pre

505.4 ± 46.7

Pre vs. PO1

 − 0.29

 − 6.94

6.35

0.994

0.999

PO1

503.5 ± 49.8

Pre vs. PO3

7.10

 − 0.26

14.47

0.073

0.063

PO3

506.8 ± 48.7

PO1 vs. PO3

7.40

0.50

14.30

0.031*

0.031*

Peak distance [mm]

Pre

4.86 ± 0.31

Pre vs. PO1

 − 0.042

 − 0.105

0.020

0.453

0.283

PO1

4.83 ± 0.35

Pre vs. PO3

0.024

 − 0.046

0.095

0.999

0.798

PO3

4.87 ± 0.4

PO1 vs. PO3

0.067

0.016

0.118

0.305

0.005*

Whole eye movement max [mm]

Pre

0.2 ± 0.07

Pre vs. PO1

0.0211

 − 0.0039

0.0460

0.349

0.126

PO1

0.22 ± 0.06

Pre vs. PO3

0.0092

 − 0.0290

0.0473

0.985

0.919

PO3

0.21 ± 0.1

PO1 vs. PO3

 − 0.0119

 − 0.0457

0.0218

0.827

0.783

DA ratio max (2 mm)

Pre

3.82 ± 0.55

Pre vs. PO1

0.065

 − 0.118

0.248

0.998

0.779

PO1

3.82 ± 0.66

Pre vs. PO3

0.076

 − 0.039

0.191

0.984

0.308

PO3

3.87 ± 0.54

PO1 vs. PO3

0.011

 − 0.167

0.188

1.000

0.999

ARTh

Pre

459.8 ± 143.9

Pre vs. PO1

 − 0.95

 − 30.55

28.65

0.999

1.000

PO1

469.4 ± 143.2

Pre vs. PO3

22.93

 − 6.17

52.03

0.085

0.169

PO3

475.3 ± 138.9

PO1 vs. PO3

23.88

 − 6.27

54.03

0.152

0.166

SP-A1

Pre

131.01 ± 18.86

Pre vs. PO1

1.60

 − 4.55

7.76

0.830

0.899

PO1

131.47 ± 20.06

Pre vs. PO3

1.97

 − 3.43

7.37

0.695

0.765

PO3

131.17 ± 21.05

PO1 vs. PO3

0.37

 − 5.36

6.10

0.999

0.998

CBI

Pre

0.29 ± 0.26

Pre vs. PO1

 − 0.0108

 − 0.0813

0.0597

0.913

0.977

PO1

0.3 ± 0.29

Pre vs. PO3

 − 0.0698

 − 0.1555

0.0158

0.117

0.147

PO3

0.27 ± 0.29

PO1 vs. PO3

 − 0.0591

 − 0.1305

0.0123

0.171

0.138

  1. IOP-nct non-corrected intraocular pressure, bIOP biomechanically corrected IOP, HC highest concavity, DA Ratio deformation amplitude ratio, ARTh Ambrósio's relational thickness, SP-A1 stifness parameter A1, CBI Corvis biomechanical index, Pre pre operation, PO1 1 month post operation, PO3 3 months post operation, SD standard deviation, CI confidence interval.
  2. The comparison is based on GEE analysis and adjusted P-value is based on bIOP. P-value less than 0.05 is considered significant, which is bold type in the table.
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