Group A | Group B | Total | p Value* | |
Age (mean (SD)) | 73.48 (9.00) | 58.61 (14.26) | 66.04 (14.00) | 0.001 |
<50 | 2 (1.6) | 29 (23.2) | 31 (12.4) | |
50–59 | 10 (8.0) | 35 (28.0) | 45 (18.0) | |
60–69 | 18 (14.4) | 30 (24.0) | 48 (19.2) | |
70–79 | 58 (46.4) | 26 (20.8) | 84 (33.6) | |
⩾80 | 37 (29.6) | 5 (4.0) | 42 (16.8) | |
Gender | 0.703 | |||
Male | 59 (47.2) | 56 (44.8) | 115 (46.0) | |
Female | 66 (52.8) | 69 (55.2) | 135 (54.0) | |
Education | 0.000 | |||
No schooling | 64 (51.2) | 26 (20.8) | 90 (36.0) | |
Primary | 33 (26.4) | 20 (16.0) | 53 (21.2) | |
Secondary | 25 (20.0) | 60 (48.0) | 85 (34.0) | |
Tertiary | 3 (2.4) | 19 (15.2) | 22 (8.8) | |
No of comorbidities | 0.002 | |||
0 | 17 (13.6) | 40 (32.0) | 57 (22.8) | |
1 | 45 (36.0) | 45 (36.0) | 90 (36.0) | |
2 | 40 (32.0) | 28 (22.4) | 68 (27.2) | |
⩾3 | 23 (18.4) | 12 (9.6) | 35 (14.0) | |
Principal diagnosis | <0.001 | |||
Age-related macular degeneration | 8 (6.4) | 11 (8.8) | 19 (7.6) | |
Cataract | 29 (23.2) | 54 (43.2) | 83 (33.2) | |
Diabetic retinopathy | 14 (11.2) | 23 (18.4) | 37 (14.8) | |
Glaucoma | 4 (3.2) | 5 (4.0) | 9 (3.6) | |
Retinal detachment | 21 (16.8) | 7 (5.6) | 28 (11.2) | |
Others | 49 (39.2) | 25 (20.0) | 74 (29.6) |
With the exception of age, data are expressed as the number of subjects, with the percentage of the total group in parentheses.
*Probabilities are from the χ2 test (categorical variables) contrasting group A and group B patients.