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. 2010 Sep 8;10:21. doi: 10.1186/1471-2415-10-21

Table 4.

Mean IOP and mean change in IOP from baseline to last visit* (mmHg), alternate populations

Visit n Mean ± SD
(95% CI)
Change from baseline, mean ± SD
(95% CI)
PP population: corrected IOP[17]
Baseline 546 20.5 ± 3.94 n.a.
(20.2, 20.9)
Last visit 546 16.3 ± 3.30 -4.2 ± 4.21
(16.0, 16.6) (-4.6, -3.9)
Full analysis set: raw IOP
Baseline 1913 20.4 ± 4.25 n.a.
(20.2, 20.6)
Last visit 1934 16.4 ± 3.42 -3.9 ± 4.65
(16.3, 16.6) (-4.2, -3.7)
PP population with applanation tonometry data: raw IOP
Baseline 732 20.3 ± 4.31 n.a.
(20.0, 20.6)
Last visit 687 16.2 ± 3.02 -4.0 ± 4.59§
(16.0, 16.4) (-4.3, -3.6)

CI = confidence interval; IOP = intraocular pressure; n.a. = not applicable; PP = per protocol;

SD = standard deviation.

*Last visit = last postbaseline visit at which an IOP level was recorded.

P < 0.05 for change from baseline to last visit for each parameter.

N = 1913.

§N = 631.