Journal of Ophthalmology / 2017 / Article / Tab 3

Research Article

Long-Term Clinical Course of Normal-Tension Glaucoma: 20 Years of Experience

Table 3

Comparisons among 3 groups (nondippers, dippers, and overdippers).

NondippersDippersOverdippers value

MD slope (dB/y)−0.20 ± 0.21−0.24 ± 0.20§−0.28 ± 0.30†‡0.000
MAP (mmHg)95.1 ± 4.494.6 ± 3.390.7 ± 5.9†‡0.000
OPP (mmHg)52.3 ± 6.151.7 ± 4.746.2 ± 5.4†‡0.000
wSD14.0 ± 2.013.9 ± 2.115.3 ± 1.3†‡0.014

Expressed as the mean ± SD; comparison among 3 groups by one-way analysis of variance; statistical significance: ; significantly different compared with nondippers by post hoc multiple comparison (Bonferroni’s test); significantly different compared with dippers by post hoc multiple comparison (Bonferroni’s test); §significantly different compared with nondippers by post hoc multiple comparison (Bonferroni’s test); MD: mean deviation; MAP: mean arterial pressure; OPP: ocular perfusion pressure; wSD: weighted standard deviation.