. Author manuscript; available in PMC: 2013 Jan 1.

Published in final edited form as: J Cataract Refract Surg. 2011 Nov 4;38(1):108–116. doi: 10.1016/j.jcrs.2011.06.037

Table 2.

Comparison of biometric parameters between preoperatively and 3 months postoperatively.

	Mean±SD
			Mean Difference (95% CI)
Parameter	Preop	Postop	Mean Difference (95% CI)	P Value
IOP (mm Hg)	14.97 ± 3.35	12.62 ± 3.37	1.99, 2.70	<.001
AOD500 (mm)	0.254 ± 0.105	0.433 ± 0.108	−0.207, −0.151	<.001
ACW (mm)	11.62 ± 0.55	11.62 ± 0.52	−0.106, 0.004	.069
ACD (mm)	2.52 ± 0.43	3.84 ± 0.29	−1.384, −1.241	<.001
Pupil (mm)	3.74 ± 0.95	3.67 ± 0.96	−0.020, 0.148	.131
ACV (mm³)	132.06 ± 32.69	181.49 ± 33.67	−56.64, 42.21	<.001
ACA (degree)	19.33 ± 3.97	26.12 ± 6.80	−8.46, −5.12	<.001
I-Curv (mm)	0.235 ± 0.130	0.183 ± 0.100	0.017, 0.086	.004
TISA500 (mm²)	0.105 ± 0.035	0.159 ± 0.035	−0.063, −0.045	<.001
ARA750 (mm²)	0.234 ± 0.104	0.343 ± 0.093	−0.130, −0.087	<.001
IT750 (mm)	0.444 ± 0.091	0.443 ± 0.096	−0.020, 0.023	.871

ACA = anterior chamber angle; ACD = anterior chamber depth; ACV = anterior chamber volume; ACW = anterior chamber width; AOD500 = angle opening distance 500 μm anterior to the scleral spur; ARA750 = angle recess area 750 μm anterior to the scleral spur; CI = confidence interval; I-Curv = iris curvature; I0P = intraocular pressure; IT750 = iris thickness measured at 750 μm; TISA500 = trabecular-iris space area 500 μm from sclera spur