Table 1. Comparison of Baseline Characteristics of Patients Undergoing Cataract Surgery by Late-Career vs Midcareer Surgeonsa.
| Variable | No. (%) | Standardized Difference | |
|---|---|---|---|
| Midcareer (n = 273 394) | Late Career (n = 143 108) | ||
| Sex | |||
| Male | 112 265 (41.1) | 59 567 (41.6) | 0.01 |
| Female | 161 129 (58.9) | 83 541 (58.4) | 0.01 |
| Age, y | |||
| 66-70 | 59 523 (21.8) | 30 906 (21.6) | 0 |
| 71-75 | 73 481 (26.9) | 38 049 (26.6) | 0.01 |
| 76-80 | 59 763 (21.9) | 31 046 (21.7) | 0 |
| ≥81 | 80 627 (29.5) | 43 107 (30.1) | 0.01 |
| Socioeconomic status quintileb | |||
| 1 | 49 063 (17.9) | 28 935 (20.2) | 0.06 |
| 2 | 55 911 (20.5) | 30 115 (21.0) | 0.01 |
| 3 | 54 696 (20.0) | 27 782 (19.4) | 0.01 |
| 4 | 56 324 (20.6) | 27 643 (19.3) | 0.03 |
| 5 | 56 455 (20.6) | 28 151 (19.7) | 0.02 |
| Unknown | 945 (0.3) | 482 (0.3) | 0 |
| No. of unique medications used, median (IQR)c | 9 (6-13) | 9 (6-13) | 0.07 |
| Glaucoma medication used | 22 888 (8.4) | 13 152 (9.2) | 0.03 |
| Oral antiviral medication usec | 3059 (1.1) | 1684 (1.2) | 0.01 |
| Tamsulosin usec | 13 473 (4.9) | 7457 (5.2) | 0.01 |
| Diabetes | 84 604 (30.9) | 46 282 (32.3) | 0.03 |
Abbreviation: IQR, interquartile range.
a
All data are presented as number of patients (percentage) unless otherwise indicated. The percentages correspond to the column percentage for each variable.
b
Neighborhood income quintile (1 = lowest, 5 = highest).
c
Within the year preceding surgery.
d
Within the 90 days preceding surgery.