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. 2020 Jul 10;68(1):67–72. doi: 10.3164/jcbn.20-50

Table 3.

Intraocular pressure measured by rebound tonometry (n = 18)

Period 1 (Weeks –2–0)
Period 2 (Weeks 0–4)
Difference (Period 2–Period 1)
p value*
Mean ± SD Range Mean ± SD Range Mean ± SD Range
Morning (6:00–9:00) 14.1 ± 3.1 12.5–15.7 13.3 ± 2.9 11.8–14.7 –0.8 ± 1.3 –1.5– –0.1 0.0291
Noon (12:00–15:00) 14.1 ± 3.7 12.3–15.9 13.5 ± 3.2 11.9–15.1 –0.6 ± 1.8 –1.5– +0.3 0.1810
Night (18:00–21:00) 13.2 ± 2.9 11.8–14.7 13.0 ± 3.0 11.5–14.5 –0.2 ± 1.5 –1.0– +0.5 0.5119
All times 13.7 ± 3.0 12.2–15.2 13.2 ± 2.9 11.8–14.6 –0.5 ± 1.2 –1.1– +0.1 0.0862

*p values are calculated using the paired t test.