TABLE 2.

Experimental Results for Diurnal and Nocturnal IOP, Aqueous Flow Rate, and Outflow Facility

	Sitting IOP (mm Hg)	Supine IOP (mm Hg)	Aqueous Flow Rate (µL/min)	Outflow Facility (µL/min/mm Hg)
All Ages
Day	13.8 ± 2.3	18.9 ± 2.7	2.26 ± 0.73	0.27 ± 0.11
Night	12.9 ± 2.4	17.8 ± 2.5	1.12 ± 0.75	0.25 ± 0.08
P	0.02	0.001	<0.001	0.13
18–29 y
Day	13.8 ± 1.9	18.7 ± 2.4	2.21 ± 0.70	0.27 ± 0.12
Night	131 ± 2.5	17.6 ± 2.4	1.08 ± 0.75	0.25 ± 0.09
P	0.18	0.03	<0.001	0.42
30–45 y
Day	139 ± 2.8	19.2 ± 2.9	2.33 ± 0.76	0.28 ± 0.09
Night	12.7 ± 2.4	18.0 ± 2.7	1.18 ± 0.77	0.25 ± 0.08
P	0.05	0.006	<0.001	0.10

Data are expressed as the mean ± SD.