Short-term reproducibility of intraocular pressure and ocular perfusion pressure measurements in Chinese volunteers and glaucoma patients

Table 3 Intraclass Correlation Coefficient Estimates of Ocular Perfusion Pressure at Each Time Point

Time point		Control			NTG			POAG
Time point	Day 1	Day 2	ICC^a	Day 1	Day 2	ICC^a	Day 1	Day 2	ICC^a
6:00	45.6 ± 6.5	42.8 ± 6.7	0.896	42.9 ± 6.8	42.3 ± 6.1	0.841	30.7 ± 6.0	28.7 ± 5.1	0.857
9:00	44.9 ± 6.0	43.5 ± 5.4	0.787	44.0 ± 5.8	42.7 ± 6.2	0.880	29.6 ± 5.0	28.1 ± 5.3	0.878
12:00	43.4 ± 6.7	43.4 ± 6.8	0.889	41.9 ± 5.4	43.0 ± 5.6	0.797	28.6 ± 5.8	28.4 ± 5.5	0.734
15:00	44.6 ± 6.2	43.7 ± 6.1	0.791	42.7 ± 6.8	42.6 ± 6.4	0.832	29.1 ± 5.7	29.3 ± 5.8	0.805
18:00	46.1 ± 6.6	45.5 ± 6.3	0.882	45.2 ± 6.5	43.9 ± 6.7	0.720	30.3 ± 6.2	29.2 ± 6.1	0.714
21:00	45.8 ± 5.8	46.0 ± 5.7	0.867	43.7 ± 7.0	44.3 ± 5.2	0.891	30.9 ± 6.0	30.1 ± 5.4	0.818
24:00	45.5 ± 5.7	45.9 ± 5.5	0.784	44.5 ± 6.5	45.1 ± 5.6	0.832	31.3 ± 5.3	30.3 ± 5.3	0.757

Data are expressed as mean ± standard deviation
NTG normal tension glaucoma, POAG primary open-angle glaucoma, ICC intraclass correlation coefficient
^aAll ICC measurements, P < 0.001

ISSN: 1471-2415