Table 1: Patient characteristics, numbers represent count (%) unless stated otherwise.

All patients (501) Right Eye (501) Left Eye (501) Both Eyes
Gender female 283 (44%)
Age mean (sd) 60.1 (11.5)
Referral diagnosis Glaucoma OHT Unspecified 173 (34.5) 243 (48.5) 85 (17.0)
GHT Outside normal limits 81 (16.2) 35 (7.0) 4 (0.80)**
Intraocular pressure (IOP) 22.4 (4.72)§ 22.4 (3.53)
Mean deviation (dB) mean (sd) -1.16 (0.97) -1.14 (0.88) -1.16 (0.93)*
Mean deviation less than -4dB 2 (0.40) 0 0
Mean deviation less than -3dB 13 (2.6) 8 (1.6) 0
Mean deviation less than -2dB 99 (19.8) 92 (18.4) 22 (4.4)**
Pattern standard deviation mean (sd) 1.59 (0.71) 1.59 (0.70) 1.59 (0.70)*
Pattern standard deviation greater than 4dB 1 (0.20) 0 0
Pattern standard deviation greater than 3dB 1 (0.20) 0 0
Pattern standard deviation greater than 2dB 120 (24.0) 130 (26.0) 32 (6.4)**

*mean for all eyes (right and left); **patients with both eyes beyond threshold; §one missing.