Table 5.
Matched Analysis- Postoperative complications differences between legally blind patients and control group.
| Operative Variables | Legally Blind Group (N = 391) | Control group (N = 378) | Odds Ratio (Legally blind/Control Group) | Odds Ratio 95% Confidence interval | Significance |
|---|---|---|---|---|---|
| Died During Hospitalization | 0 | 0 | a | a | a |
| Acute Renal Failure | 13 (3.325%) | b (2.64%) | 1.266 | (0.548, 2.922) | .674 |
| Myocardial Infarction | 0 | 0 | a | a | a |
| Blood Loss Anemia | 82 (20.97%) | 59 (15.6%) | 1.435 | (.992, 2.076) | .062 |
| Pneumonia | 0 | b (.5%) | .490 | (0.456, 0.527) | .241 |
| Pulmonary Embolism | b (.255%) | b (.26%) | .967 | (0.060, 15.511) | 1.000 |
| Deep Vein Thrombosis | b (.511%) | b (.26%) | 1.938 | (0.175, 21.465) | 1.000 |
| Periprosthetic Fracture | b (2.557%) | b (.52%) | 4.934 | (1.074, 22.671) | .037 |
| Periprosthetic dislocation | b (1.53%) | b (.52%) | 1.947 | (0.484, 7.846) | .506 |
| Periprosthetic mechanical complication | b (1.278%) | b (.26%) | 4.883 | (0.568, 41.996) | .217 |
| Periprosthetic Infections | b (1.277%) | b (.52%) | 2.435 | (0.470, 12.629) | .451 |
| Superficial SSI* | 0 | 0 | a | a | a |
| Deep SSI* | 0 | 0 | a | a | a |
| Wound dehiscence | b (.511%) | 0 | .507 | (0.473, 0.544) | .499 |
| Blood Transfusion | 12 (3.069%) | b (.79%) | 3.958 | (1.108, 14.138) | .034 |
a
Since incidence was 0 in one group, odds ratio and significance values could not be computed.
b
Numbers between 1 and 10 are not reported due to HCUP data use agreement.