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. 2006 Oct 18;91(5):624–628. doi: 10.1136/bjo.2005.087213

Table 1 Demographic characteristics of the cohort.

OAG (n = 14) OHT (n = 9)
Age (range), years 69.0 (9.5); (51–80) 63.8 (12.2); (46–85)
Duration of follow‐up, months 77.2 (10.0) 80 (9.0)
Number of examinations
 HRT 5.6 (0.8) 5.3 (0.9)
 HFA 7.5 (1.3) 6.9 (1.3)
Interval between examinations, months
 HRT 13.8 (3.1) 15 (2.7)
 HFA 10.3 (6.0) 11.6 (7.0)

HFA, Humphrey Field Analyser; HRT, Heidelberg Retina Tomograph; OAG, open‐angle glaucoma; OHT, ocular hypertension.

Values are mean (SD).