Table 5 Characteristics of eyes divided by age and sex.

From: Quantitative analysis of the macula with optical coherence tomography angiography in normal Japanese subjects: The Taiwa Study

 

All

All subjects 30–74 YO

P value

30–59 YO (N = 74)

P value

60–74 YO (N = 71)

P value

Male

Female

Male

Female

Male

Female

Subjects

   Number of eyes

145

45

100

—

21

53

—

24

47

0.48a

   Age (years)

53.3 ± 14.6

55.1 ± 13.6

51.7 ± 14.9

0.19

42.5 ± 8.6

39.1 ± 8.3

0.13

66.2 ± 4.2

65.9 ± 3.3

0.75

General findings

   SBP (mmHg)

121.7 ± 15.4

124.1 ± 12.9

120.2 ± 16.4

0.16

122.6 ± 13.0

111.8 ± 12.5

<0.01

125.4 ± 13.0

129.7 ± 15.0

0.23

   DBP (mmHg)

72.9 ± 10.6

77.5 ± 10.4

70.6 ± 10.1

<0.001

76.7 ± 11.6

68.3 ± 9.4

<0.01

78.3 ± 9.5

73.2 ± 10.4

0.05

   TG (mg/dl)

109.5 ± 65.0

145.6 ± 75.1

93.3 ± 53.3

<0.001

142.7 ± 74.1

78.9 ± 53.6

<0.001

148.1 ± 77.4

109.6 ± 48.5

0.01

   AST (IU/L)

22.0 ± 6.3

24.6 ± 6.6

20.8 ± 5.9

<0.001

25.2 ± 8.2

18.8 ± 4.4

<0.001

24.1 ± 4.8

23.0 ± 6.6

0.49

   ALT (IU/L)

19.5 ± 9.7

24.6 ± 11.7

17.2 ± 7.7

<0.001

27.9 ± 15.4

16.1 ± 8.0

<0.001

21.7 ± 6.3

18.4 ± 7.4

0.07

   γ-GTP (IU/L)

27.9 ± 28.1

46.4 ± 43.0

19.6 ± 10.2

<0.001

51.8 ± 51.4

17.5 ± 9.4

<0.001

41.7 ± 34.5

21.9 ± 10.7

<0.001

   eGFR (ml/min/1.73 m²)

82.0 ± 16.5

80.0 ± 15.0

82.9 ± 17.2

0.35

86.5 ± 15.0

91.4 ± 15.2

0.21

74.4 ± 12.7

73.3 ± 14.1

0.74

   HbA1c (%)

5.7 ± 0.3

5.6 ± 0.3

5.7 ± 0.3

0.25

5.6 ± 0.3

5.5 ± 0.3

0.40

5.7 ± 0.3

5.9 ± 0.3

<0.01

Ophthalmological findings

   Axial length (mm)

23.9 ± 1.1

24.0 ± 0.8

23.8 ± 1.2

0.25

24.3 ± 0.7

24.4 ± 1.1

0.79

23.8 ± 0.8

23.2 ± 0.9

0.01

   IOP (mmHg)

13.8 ± 2.2

13.5 ± 2.4

13.8 ± 2.1

0.37

14.0 ± 2.6

13.9 ± 2.1

0.90

13.0 ± 2.3

13.8 ± 2.1

0.20

   CMT (μm)

295.4 ± 16.5

305.1 ± 13.3

291.0 ± 16.1

<0.001

308.1 ± 11.7

291.9 ± 17.0

<0.001

302.5 ± 14.3

289.9 ± 15.0

<0.01

   Overall SCP PD (%)

43.6 ± 1.6

43.7 ± 1.3

43.6 ± 1.7

0.82

43.9 ± 1.1

43.8 ± 1.9

0.84

43.4 ± 1.4

43.3 ± 1.4

0.77

   Foveal SCP PD (%)

19.4 ± 4.8

20.4 ± 4.7

18.9 ± 4.8

0.07

22.5 ± 4.9

20.1 ± 4.6

0.05

18.7 ± 3.8

17.5 ± 4.8

0.30

   Parafoveal SCP PD (%)

48.2 ± 1.7

48.1 ± 1.6

48.3 ± 1.8

0.48

48.0 ± 1.8

48.4 ± 2.0

0.49

48.1 ± 1.4

48.2 ± 1.5

0.80

   Overall DCP PD (%)

44.4 ± 2.2

44.1 ± 2.2

44.6 ± 2.2

0.19

44.9 ± 2.3

45.2 ± 2.1

0.58

43.4 ± 2.0

43.9 ± 2.0

0.28

   Foveal DCP PD (%)

15.50 ± 4.7

16.7 ± 4.8

15.0 ± 4.6

0.05

18.2 ± 4.6

16.4 ± 4.6

0.13

15.3 ± 4.6

13.5 ± 4.1

0.09

   Parafoveal DCP PD (%)

50.0 ± 2.6

49.3 ± 2.9

50.2 ± 2.4

0.05

50.0 ± 3.1

50.7 ± 2.5

0.30

48.7 ± 2.7

49.8 ± 2.3

0.10

   FAZ (mm²)

0.37 ± 0.1

0.33 ± 0.12

0.38 ± 0.12

0.01

0.28 ± 0.12

0.36 ± 0.10

<0.01

0.37 ± 0.11

0.41 ± 0.14

0.23

  1. SBP = systolic blood pressure, DBP = diastolic blood pressure, TG = triglyceride, AST = aspartate aminotransferase, ALT = alanine aminotransferase, γ-GTP = γ-glutamyl transpeptidase, eGFR = glomerular filtration rate, HbA1c = hemoglobin A1c, IOP = intraocular pressure, CMT = central macular thickness, SCP = superficial retinal capillary plexus, PD = perfusion density, DCP = deep retinal capillary plexus, FAZ = foveal avascular zone.
  2. aChi-square test.
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