Total (n=41) | HNTG (n=20) | LNTG (n=21) | HNTG v LNTG p Value | |
---|---|---|---|---|
Age (years) | 53.4 (13.8) | 52.5 (15.1) | 54.3 (12.7) | 0.6765 |
Sex ratio (male/female) | 18/23 | 9/11 | 9/12 | 0.8901 |
Intraocular pressure (mm Hg) | 14.9 (2.8) | 17.5 (1.1) | 12.4 (1.3) | <0.0001 |
Refraction (dioptres) | −0.49 (2.71) | −0.48 (2.76) | −0.50 (2.73) | 0.9813 |
Mean deviation (dB) | −7.6 (7.2) | −6.5 (7.2) | −8.7 (7.2) | 0.3499 |
Disc area (mm2) | ||||
Total | 2.414 (0.517) | 2.390 (0.476) | 2.444 (0.565) | 0.7414 |
Superior quadrant | 0.614 (0.129) | 0.610 (0.130) | 0.617 (0.132) | 0.8734 |
Temporal quadrant | 0.590 (0.136) | 0.580 (0.117) | 0.599 (0.154) | 0.6660 |
Inferior quadrant | 0.616 (0.132) | 0.610 (0.130) | 0.623 (0.137) | 0.7663 |
Nasal quadrant | 0.598 (0.138) | 0.589 (0.116) | 0.606 (0.159) | 0.6969 |
HNTG = normal tension glaucoma with intraocular pressure between 16 and 21 mm Hg; LNTG = normal tension glaucoma with intraocular pressure below 15 mm Hg.
↵30−2 program of Humphrey visual field.
Data are expressed as mean (SD) except for sex ratio.