Table 3.
Characteristics of Patients Who Did and Did Not Convert to AMD
| Intermediate AMD (n = 99) | ||||
|---|---|---|---|---|
| Non-Converters (n = 78) | Converters (n = 21) | Odds Ratio (95% CI) | P* | |
| RPD, n (%) | 24 (31) | 10 (48) | 2.0 (0.8–5.5) | 0.15 |
| Sex, female, n (%) | 54 (69) | 13 (62) | 0.7 (0.3–2.0) | 0.53 |
| Family history of AMD, n (%) | ||||
| None | 39 (50) | 11 (52) | 1 | |
| Yes | 23 (29) | 8 (38) | 1.2 (0.4–3.5) | |
| Uncertain | 16 (21) | 2 (10) | 0.4 (0.1–2.2) | 0.51† |
| Age (y), mean (SD) | 76 (6.9) | 80 (6.1) | 1.10 (1.02–1.19) | 0.02 |
| BMI | 76 | 21 | ||
| Mean (SD) | 26.2 (5.2) | 26.5 (4.2) | 1.0 (0.9–1.1) | 0.84 |
| Smoking, n (%) | ||||
| Never | 38 (49) | 11 (52) | 1 | |
| Current | 2 (3) | 0 | — | |
| Former | 38 (49) | 10 (48) | 0.9 (0.3–2.4) | 0.99† |
| History of, n (%) | ||||
| Type 2 diabetes | 12 (15) | 3 (14) | 0.9 (0.2–3.6) | 0.99† |
| Treated hypertension | 44 (56) | 15 (71) | 1.9 (0.7–5.5) | 0.21 |
| Kidney disease | 10 (13) | 2 (10) | 0.7 (0.1–3.6) | 0.99† |
| Stroke | 4 (5) | 2 (10) | 1.9 (0.3–11.4) | 0.60† |
| Peripheral vascular disease | 10 (13) | 4 (19) | 1.6 (0.4–5.7) | 0.49† |
| Atrial fibrillation | 3 (4) | 3 (14) | 4.2 (0.8–22.4) | 0.11† |
| Cardiac disease | 31 (40) | 9 (43) | 1.1 (0.4–3.0) | 0.80 |
*
P values obtained from χ2 tests for categorical variables and t-tests for continuous variables.
†
P values obtained from Fisher's exact test.