Skip to main content

Table 6 Proportions of Parameter Test-Retest Differences within Different Intervals between Two Days

From: Short-term reproducibility of intraocular pressure and ocular perfusion pressure measurements in Chinese volunteers and glaucoma patients

Interval

 

Control

NTG

POAG

Mean OPP

Peak OPP

Trough OPP

OPP Fluctuation

Mean OPP

Peak OPP

Trough OPP

OPP Fluctuation

Mean OPP

Peak OPP

Trough OPP

OPP Fluctuation

≤1 mmHg

24.1

31.5

31.5

16.7

38.8

31.3

25.4

14.9

31.5

24.1

24.1

13.0

≤2 mmHg

66.7

63.0

63.0

42.6

70.1

52.2

53.7

32.8

55.6

48.1

53.7

33.3

≤3 mmHg

88.9

81.5

79.6

63.0

85.1

65.7

74.6

46.3

71.4

63.0

72.2

55.6

≤4 mmHg

94.4

85.2

87.0

88.9

92.5

77.6

85.1

61.2

87.0

74.1

85.2

64.8

≤5 mmHg

98.1

88.9

92.6

92.6

95.5

82.1

94.0

71.6

100

75.9

92.6

75.9

≤6 mmHg

100

94.4

98.1

96.3

95.5

89.6

97.0

82.1

 

83.3

96.3

87.0

≤7 mmHg

 

94.4

100

96.3

97.0

91.0

98.5

85.1

 

92.6

100

90.7

≤8 mmHg

 

96.3

 

98.1

100

92.5

100

85.1

 

100

 

92.6

  1. Data are expressed as percentage
  2. OPP ocular perfusuion pressure, NTG normal tension glaucoma, POAG primary open-angle glaucoma