Anterior segment configuration as a predictive factor for refractive outcome after cataract surgery in patients with glaucoma

Table 1 Baseline characteristics of eyes with closed-angle and open-angle glaucoma

Variables	Total (n = 143)	Closed-angle glaucoma (n = 49)	Open-angle glaucoma (n = 94)	P value
Age at surgery (yrs)	66.40 ± 10.64	66.08 ± 9.23	66.56 ± 11.34	0.798^a
Sex (male/female)	60/83	14/35	46/48	0.019^b
Preoperative BCVA (logMAR)	0.65 ± 0.78	0.84 ± 0.97	0.54 ± 0.63	0.057^a
Preoperative IOP (mmHg)	15.62 ± 4.96	17.10 ± 6.73	14.85 ± 3.52	0.032^a
Prior LPI (yes/no)	19/124	19/30	0/94	<0.001^c
Prior trabeculectomy (yes/no)	19/124	4/45	15/79	0.299^c
Axial length (mm)	22.95 ± 1.12	22.33 ± 1.03	23.28 ± 1.03	<0.001^a
Deviation from mean axial length (mm)	0.84 ± 0.74	0.89 ± 0.81	0.81 ± 0.71	0.157^a
Mean keratometry (D)	44.01 ± 2.32	44.38 ± 1.61	43.82 ± 2.60	0.172^a
Glaucoma diagnosis (NTG/POAG)	49/45	NA	49/45	NA
History of acute angle closure (yes/no)	36/107	36/13	NA	NA
Lens thickness (mm)	4.66 ± 0.69	4.85 ± 0.93	4.58 ± 0.54	0.191^a
Parameters of anterior segment configuration
ACD (mm)	2.30 ± 0.68	1.64 ± 0.48	2.64 ± 0.50	<0.001^a
Deviation from mean ACD (mm)	0.56 ± 0.36	0.72 ± 0.38	0.50 ± 0.33	0.001^a
LV (mm)	0.74 ± 0.44	1.18 ± 0.35	0.52 ± 0.29	<0.001^a
AOD500 (μm)	319.07 ± 139.37	210.36 ± 60.09	375.74 ± 135.35	<0.001^a
TIA (degree)	30.63 ± 9.70	24.61 ± 6.77	33.76 ± 9.54	<0.001^a

BCVA best-corrected visual acuity, logMAR logarithm of the minimum angle of resolution, IOP intraocular pressure, LPI laser peripheral iridotomy, D diopter, NTG normal tension glaucoma, POAG primary open-angle glaucoma, ACD anterior chamber depth, LV lens vault, AOD500 angle opening distance at 500 μm, TIA trabecular iris angle
^aIndependent t test for closed-angle and open-angle glaucoma
^bChi-squared test for closed-angle and open-angle glaucoma
^cFisher exact test for closed-angle and open-angle glaucoma

ISSN: 1471-2415