Table 2: Mean deviation or pattern standard deviation for diagnosis category.

Diagnosis Category
Glaucoma 173 (34.5) OHT 243 (48.5) Unspecified 85 (17.0) P-value (ANOVA or chi-square test)
Right mean deviation mean(sd) -1.24 (1.09) -1.13 (0.92) -1.12 (0.80) 0.43
Left mean deviation mean(sd) -1.27 (0.84) -1.04 (0.89) -1.17 (0.93) 0.03
Right pattern standard deviation mean(sd) 1.58 (0.75) 1.58 (0.69) 1.63 (0.66) 0.79
Left pattern standard deviation mean(sd) 1.57 (0.75) 1.53 (0.68) 1.77 (0.66) 0.03
At least one eye:
Mean deviation less than -4dB 2 (1.16) 0 0 -
Mean deviation less than -3dB 10 (5.78) 9 (3.70) 2 (2.35) 0.38
Mean deviation less than -2dB 69 (39.9) 76 (31.3) 24 (28.2) 0.09
Pattern standard deviation greater than 4dB 1 (0.58) 0 0 -
Pattern standard deviation greater than 3dB 1 (0.58) 0 0 -
Pattern standard deviation greater than 2dB 84 (48.9) 91 (37.5) 43 (50.6) 0.03

OHT - Ocular hypertension.