Research Article

Daily Costs and Cost Effectiveness of Glaucoma Fixed Combinations in China

Table 1

The mean actual volume, the mean actual number of drops, the mean volume per drop, and the number of usage days per bottle of glaucoma fixed combinations.

DrugLabeled volume/bottle (ml)Actual mean volume/bottle (ml)No. of drops/bottle (95% CI)Volume/drop (μl) (95% CI)

Azarga5.04.71 ± 0.06178.2 ± 3.19 (174.23–182.17)26.45 ± 0.41 (25.93–26.96)
DuoTrav2.52.33 ± 0.0871.8 ± 4.15 (66.65–76.95)32.61 ± 2.90 (29.01–36.22)
Ganfort3.02.98 ± 0.02122.4 ± 0.55 (121.72–123.08)24.38 ± 0.23 (24.09–24.67)
Xalacom2.52.62 ± 0.0396.4 ± 2.40 (93.05–99.75)27.22 ± 0.87 (26.13–28.30)

95% CI: 95% confidential interval.