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. Author manuscript; available in PMC: 2015 Oct 28.
Published in final edited form as: Ophthalmology. 2014 May 15;121(9):1699–1705. doi: 10.1016/j.ophtha.2014.03.039

Table 1.

Comparison of Baseline Measures between Treated and Untreated Eyes

Treated Eyes, Mean (95% CI) Untreated Eyes, Mean (95% CI) P Value
Angle width on gonioscopy (°) 13.5 (13.1–13.9) 13.5 (13.1–13.9) 0.87
IOP (mmHg) 15.3 (15.1–15.5) 15.3 (15.1–15.5) 0.90
van Herick score
 5% 3.5* 3.9* 0.18
 15% 30.7* 31.7*
 25% 60.9* 59.4*
 40% 4.4* 4.5*
 75% 0.5* 0.5*
Iris profile
 Steep 77.3* 76.7* 0.55
 Regular 14.5* 15.2*
 Plateau 8.2* 8.1*
Axial length (mm) 22.49 (22.44, 22.54) 22.49 (22.44, 22.54) 0.92
ACD (mm) 2.21 (2.19, 2.22) 2.21 (2.19, 2.22) 0.73
Lens thickness (mm) 4.87 (4.85, 4.89) 4.87 (4.85, 4.89) 0.81
Appositional contact 3.20 (2.96, 3.44) 3.23 (2.98, 3.47) 0.46
AOD250 (μm) 59.0 (55.8, 62.3) 58.0 (54.8, 61.3) 0.67
AOD500 (μm) 82.4 (78.8, 86.1) 79.2 (75.6, 82.8) 0.21
AOD750 (μm) 124.2 (119.2, 129.1) 122.1 (117.3, 126.8) 0.54
TISA500 (1000 μm2) 42.5 (40.8, 44.1) 41.6 (40.0, 43.3) 0.46
TISA750 (1000 μm2) 75.3 (72.8, 77.9) 74.2 (71.8, 76.7) 0.54
ARA (1000 μm2) 85.8 (82.5, 89.2) 85.1 (81.8, 88.5) 0.77

ACD = central anterior chamber depth; AOD = angle opening distance; ARA = angle recess area; CI = confidence interval; IOP = intraocular pressure; TISA = trabecular-iris space area.

*

Percentage of each category.

Appositional contact: number of clock hours in which appositional iridotrabecular contact was seen under static gonioscopy.