Table 1. Patient and Procedure Characteristics of Veterans Health Administration Cataract Surgical Procedures in Fiscal Year 2017.
| Characteristics | Patients, No. (%) | ||
|---|---|---|---|
| Received any preoperation test | Total (n = 69 070) | ||
| No (n = 35 646) | Yes (n = 33 424) | ||
| Age, mean (SD), y | 71.6 (8.0) | 71.7 (8.1) | 71.7 (8.1) |
| Gender | |||
| Male | 34 133 (95.8) | 32 149 (96.2) | 66 282 (96.0) |
| Female | 1513 (4.2) | 1275 (3.8) | 2788 (4.0) |
| Race/ethnicity | |||
| American Indian | 410 (1.2) | 280 (0.8) | 690 (1.0) |
| Asian | 236 (0.7) | 175 (0.5) | 411 (0.6) |
| Black | 5024 (14.1) | 5268 (15.8) | 10 292 (14.9) |
| Hawaiian | 329 (0.9) | 268 (0.8) | 597 (0.9) |
| White | 27 947 (78.4) | 25 890 (77.5) | 53 837 (77.9) |
| Missing | 1700 (4.8) | 1543 (4.6) | 3259 (4.7) |
| Marital status | |||
| Single | 1042 (2.9) | 1092 (3.3) | 2134 (3.1) |
| Married | 19 414 (54.5) | 18 115 (54.2) | 37 529 (54.3) |
| Divorced | 9574 (26.9) | 8770 (26.2) | 18 344 (26.6) |
| Widowed | 2838 (8.0) | 2647 (7.9) | 5485 (7.8) |
| Never married | 2635 (7.4) | 2698 (8.1) | 5333 (7.6) |
| Missing | 143 (0.4) | 102 (0.3) | 245 (0.4) |
| BMI | |||
| Normal (healthy weight) | 6391 (17.9) | 6115 (18.3) | 12 506 (18.1) |
| Low | 416 (1.2) | 423 (1.3) | 839 (1.2) |
| Obesity | 14 233 (39.9) | 13 576 (40.6) | 27 799 (40.2) |
| Overweight | 12 024 (33.7) | 11 268 (33.7) | 23 292 (33.7) |
| Missing | 2592 (7.3) | 2042 (6.1) | 4634 (6.7) |
| Elixhauser comorbidities, No.a | |||
| 0 | 2311 (6.5) | 1631 (4.9) | 3942 (5.7) |
| 1 | 4867 (13.7) | 3711 (11.1) | 8578 (12.4) |
| 2 | 6028 (16.9) | 5214 (15.6) | 11 242 (16.3) |
| ≥3 | 22 440 (63.0) | 22 868 (68.4) | 45 308 (65.6) |
| Procedure characteristics | |||
| General anesthesia | 450 (1.3) | 647 (1.9) | 1097 (1.6) |
| Monitored anesthesia care | 35 196 (98.7) | 32 777 (98.1) | 67 973 (98.4) |