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Table 1 Clinical characteristics in study subjects

From: Choroidal thickness and high myopia: a cross-sectional study and meta-analysis

 

High myopia

Normal Control

P

No. of patients (No. of eyes)

171 (301)

103 (165)

-

Mean age (SD), y

22.23 (6.50)

23.36 (7.40)

0.088

Gender (male/female)

119/52

66/37

0.345

IOP at imaging (SD), mm Hg

14.56 (3.66)

14.84 (3.52)

0.429

Spherical equivalent (SD), D

−7.56 (1.99)

−0.74 (1.47)

<0.001

Axial length (SD), mm

26.56 (1.01)

23.71 (0.89)

<0.001

CCT, μm

544.61 (33.23)

541.44 (33.63)

0.328

DBP, mmHg (SD)

74.79(8.55)

75.26(8.94)

0.577

SBP, mmHg (SD)

120.29(11.65)

122.53(13.81)

0.064

Diastolic OPP, mmHg (SD)1

60.23(9.04)

60.42(9.62)

0.829

Systolic OPP, mmHg (SD)2

105.73(12.18)

107.69(14.03)

0.116

Mean OPP, mmHg (SD)3

75.40 (8.87)

76.18(9.30)

0.369

  1. SD standard deviation, IOP intraocular pressure, D diopter, CCT central corneal thickness, DBP diastolic blood pressure, SBP systolic blood pressure, OPP ocular perfusion pressure
  2. 1,2Calculated as the differential pressure between diastolic or systolic blood pressure and IOP
  3. 3Calculated as the differential pressure between mean BP and IOP (mean BP = DBP + 1/3*(SBP -DBP))