The Impact of Unilateral or Bilateral Cataract Surgery on Visual Acuity and Life Quality of Elderly Patients

Table 2

Ocular comorbidities, systemic comorbidities, and surgical complications in patients receiving either unilateral or bilateral cataract extraction, and .

	Number (%)		/ (Pearson chi-square test)
	Unilateral cataract extraction patients	Bilateral cataract extraction patients
Ocular comorbidity
Age-related macular degeneration	11 (7.2%)	12 (8.3%)	0.136/0.712
Pathologic myopia	20 (13.1%)	16 (11.0%)	0.291/0.590
Glaucoma	21 (13.7%)	31 (21.4%)	2.836/0.092^**
Surgery history of scleral buckling and/or vitrectomy	13 (8.5%)	3 (2.1%)	6.054/0.014^*
Pathologic myopia and surgery history of scleral buckling and/or vitrectomy	11 (7.2%)	10 (6.9%)	0.010/0.921
Diabetic retinopathy	2 (1.3%)	7 (4.8%)	3.150/0.076^**
Other	6 (3.9%)	1 (0.7%)	3.390/0.066^**
Systemic comorbidity
Hypertension	37 (24.2%)	37 (25.5%)	0.071/0.790
Diabetes mellitus	5 (3.3%)	11 (7.6%)	2.732/0.098^**
Hypertension and diabetes mellitus	22 (14.4%)	18 (12.4%)	0.247/0.619
Cardiopathy	8 (5.2%)	11 (7.6%)	0.693/0.405
Respiratory	5 (3.3%)	3 (2.1%)	0.410/0.522
Other	7 (4.6%)	1 (0.7%)	4.302/0.038^*
Surgical complication
Vitreous loss	5 (3.3%)	4 (2.8%)	0.066/0.797
Iris atrophy	3 (2.0%)	3 (2.1%)	0.004/0.947
Anisometropia	1 (0.7%)	2 (1.4%)	0.393/0.531
Opacification of anterior capsule	1 (0.7%)	0 (0%)	0.951/0.329