Table 3. Patient Characteristics in the Sensitivity Analysis Before and After 1:1 PS Matching.
| Characteristic | Before PS matching | After PS matching | ||||
|---|---|---|---|---|---|---|
| Patients, No. (%) | SMD | Patients, No. (%) | SMD | |||
| Metformin (n = 104 471) | Sulfonylurea (n = 8277) | Metformin (n = 8277) | Sulfonylurea (n = 8277) | |||
| Age, mean (SD), y | 59.4 (11.1) | 66.3 (12.5) | 0.584 | 66.1 (11.9) | 66.3 (12.5) | 0.019 |
| Sex | ||||||
| Female | 45 151 (43.2) | 3144 (38.0) | 0.107 | 3085 (37.3) | 3144 (38.0) | 0.015 |
| Male | 59 320 (56.8) | 5133 (62.0) | 5192 (62.7) | 5133 (62.0) | ||
| Race and ethnicity | ||||||
| Asian | 5713 (5.5) | 356 (4.3) | 0.123 | 353 (4.3) | 356 (4.3) | 0.029 |
| Black | 11 719 (11.2) | 1054 (12.7) | 988 (11.9) | 1054 (12.7) | ||
| Hispanic | 15 160 (14.5) | 972 (11.7) | 1009 (12.2) | 972 (11.7) | ||
| White | 63 766 (61.0) | 5088 (61.5) | 5142 (62.1) | 5088 (61.5) | ||
| Unknown | 8113 (7.8) | 807 (9.7) | 785 (9.5) | 807 (9.7) | ||
| Education | ||||||
| <12th Grade | 877 (0.8) | 103 (1.2) | 0.194 | 74 (0.9) | 103 (1.2) | 0.162 |
| High school diploma | 30 030 (28.7) | 2796 (33.8) | 2341 (28.3) | 2796 (33.8) | ||
| <Bachelor’s degree | 53 750 (51.4) | 3992 (48.2) | 4255 (51.4) | 3992 (48.2) | ||
| ≥Bachelor’s degree | 13 875 (13.3) | 729 (8.8) | 1024 (12.4) | 729 (8.8) | ||
| Unknown | 5939 (5.7) | 657 (7.9) | 583 (7.0) | 657 (7.9) | ||
| Charlson comorbidity score | ||||||
| 0 | 70 374 (67.4) | 4285 (51.8) | 0.424 | 4227 (51.1) | 4285 (51.8) | 0.018 |
| 1-2 | 27 082 (25.9) | 2383 (28.8) | 2428 (29.3) | 2383 (28.8) | ||
| 3-4 | 5070 (4.9) | 985 (11.9) | 1012 (12.2) | 985 (11.9) | ||
| 5-6 | 1003 (1.0) | 366 (4.4) | 356 (4.3) | 366 (4.4) | ||
| >6 | 942 (0.9) | 258 (3.1) | 254 (3.1) | 258 (3.1) | ||
| Charlson comorbidity score, mean (SD) | 0.6 (1.3) | 1.3 (2.1) | 0.413 | 1.3 (2.0) | 1.3 (2.1) | 0.018 |
| Treatment duration, mean (SD), mo | 24.4 (28.1) | 19.8 (26.1) | 0.169 | 18.4 (24.0) | 19.8 (26.1) | 0.058 |
| Follow-up time, mean (SD), mo | 31.9 (33.1) | 32.4 (36.6) | 0.013 | 28.8 (31.7) | 32.4 (36.6) | 0.104 |
Abbreviations: PS, propensity score; SMD, standardized mean difference.