Table 2

 Number of resources utilised per person time

Resource (per person time unit)Disease stage (n)
0 (33)1 (32)2 (34)3 (33)4 (31)5 (31)
Office visits (per 1 person year)2.93.03.13.43.73.7
Visual fields (per 1 person year)1.21.41.51.71.61.0
Trabeculoplasties (per 100 person years)2.63.58.15.25.34.4
Trabeculectomies (per 100 person years)0.02.52.73.18.94.4
Glaucoma medications (per 1 person month)1.11.21.71.51.82.4