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Table 1 Patient characteristics

From: Goldmann applanation tonometry compared with corneal-compensated intraocular pressure in the evaluation of primary open-angle Glaucoma

Category

Normal

HTG

NTG

Criteria

No GON

GON + GAT > 21 mm Hg

GON + GAT ≤ 21 mm Hg

Number of patients/eyes

357

155

102

Age (years), mean ± SD

62.3 ± 13.4

66.3 ± 12.7*

68.7 ± 10.9*

GAT (mm Hg)

14.0 ± 2.4

25.3 ± 5.6*

14.4 ± 3.4

IOPg (mm Hg)

14.0 ± 3.0

26.5 ± 5.5*

14.4 ± 3.4

IOPcc (mm Hg)

14.5 ± 3.1

25.3 ± 5.5*

19.8 ± 3.4*

IOPcc-GAT (mm Hg)

0.5 ± 1.7

1.2 ± 1.2*

5.4 ± 1.1*

CCT (μm)

542 ± 33

553 ± 43*

513 ± 39*

Female

57%

63%

52%

Right eye

50%

50%

42%

Asian

23%

15%*

11%*

Caucasian

28%

5%*

26%

Mixed

47%

78%*

47%

Black

3%

3%

12%*

  1. *p ≤ 0.05 for comparison with normal group.
  2. p ≤ 0.05 for comparison between NTG and HTG groups.
  3. HTG: high-tension glaucoma; NTG: normal-tension glaucoma; GON: glaucomatous optic neuropathy; GAT: Goldmann applanation tonometry; IOPg: Goldman-correlated intraocular pressure; IOPcc: corneal compensated intraocular pressure; CCT: central corneal thickness.