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Table 5 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 IOP

Peak IOP

Trough IOP

IOP Fluctuation

Mean IOP

Peak IOP

Trough IOP

IOP Fluctuation

Mean IOP

Peak IOP

Trough IOP

IOP Fluctuation

≤1 mmHg

70.4

74.1

79.6

64.8

62.7

70.1

68.7

58.2

59.3

44.4

57.4

55.6

≤2 mmHg

92.6

92.6

94.4

88.9

91.0

88.1

85.1

80.6

81.5

77.8

74.1

75.9

≤3 mmHg

100

98.1

98.1

98.1

98.5

95.5

98.5

92.5

94.4

85.2

94.4

88.9

≤4 mmHg

 

100

100

100

100

98.5

100

98.5

98.1

98.1

98.1

98.1

≤5 mmHg

     

100

 

100

98.1

98.1

98.1

98.1

≤6 mmHg

        

98.1

100

100

100

≤7 mmHg

        

100

   
  1. Data are expressed as percentage
  2. IOP intraocular pressure, NTG normal tension glaucoma, POAG primary open-angle glaucoma