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Table 2 Comparison of the mean intraocular pressure at each assessment visit in the per-protocol and intent-to-treat populations

From: Efficacy and tolerability of fixed-combination bimatoprost/timolol versus fixed-combination dorzolamide/brimonidine/timolol in patients with primary open-angle glaucoma or ocular hypertension: a multicenter, prospective, crossover study

Per-protocol population

Treatment group/time-point (baseline)

Mean IOP ± SD (mm Hg)

n

Treatment group/time-point (crossover)

Mean IOP ± SD (mm Hg)

n

 

Baseline

Month 2

Month 3

  

Month 5

Month 6

 

Bim/tim 8 am

19.5 ± 2.1

15.9 ± 3.6

14.6 ± 3.8

30

Dorz/brim/tim 8 am

16.6 ± 4.0

17.6 ± 3.4

30

Bim/tim 10 am

18.3 ± 2.6

14.2 ± 3.1

13.6 ± 2.8

Dorz/brim/tim 10 am

13.3 ± 3.2

13.8 ± 3.1

Dorz/brim/tim 8 am

20.2 ± 2.5

17.1 ± 3.4

16.9 ± 3.7

26

Bim/tim 8 am

17.0 ± 3.3

16.0 ± 2.9

26

Dorz/brim/tim 10 am

19.4 ± 1.9

15.8 ± 2.9

15.7 ± 2.9

Bim/tim 10 am

16.0 ± 2.9

15.6 ± 2.3

Intent-to-treat population

Treatment group/time-point (baseline)

Baseline

Month 2

Month 3

n

Treatment group/time-point (crossover)

Month 5

Month 6

n

Bim/tim 8 am

19.5 ± 2.2

16.1 ± 3.4

14.8 ± 3.5

41 (BL)–35 (M3)

Dorz/brim/tim 8 am

16.5 ± 3.8

17.7 ± 3.4

35 (M3)–26 (M6)

Bim/tim 10 am

18.1 ± 2.7

14.5 ± 2.3

13.7 ± 2.3

Dorz/brim/tim 10 am

13.3 ± 3.0

14.1 ± 3.3

Dorz/brim/tim 8 am

19.8 ± 2.3

16.8 ± 3.7

16.7 ± 3.7

37 (BL)–28 (M3)

Bim/tim 8 am

16.7 ± 3.3

16.6 ± 2.9

28 (M3)–32 (M6)

Dorz/brim/tim 10 am

18.6 ± 2.9

15.3 ± 2.6

15.6 ± 2.9

Bim/tim 10 am

15.7 ± 3.1

15.6 ± 2.3

  1. Bim/tim, bimatoprost 0.03% and timolol maleate 0.5%; BL, baseline; dorz/brim/tim, dorzolamide 2%, brimonidine 0.2%, and timolol maleate 0.5%; M3, month 3; M6, month 6, SD, standard deviation.