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Table 1 Baseline patient demographics among patients with and without BD
| With BD (N = 16,440) | Without BD (N = 86,962) | P value (with versus without BD) | |
|---|---|---|---|
| Mean age (years [SD]) | 83.5 (7.1) | 82.9 (7.5) | < 0.001 |
| Age group (n [%]) | |||
| 65–74 | 1981 (12.1) | 13,247 (15.2) | < 0.001 |
| 75–84 | 6628 (40.3) | 34,824 (40.1) | |
| 85–94 | 7066 (43.0) | 34,811 (40.0) | |
| 95+ | 765 (4.7) | 4080 (4.7) | |
| Gender (n [%]) | |||
| Male | 6478 (39.4) | 33,691 (38.7) | 0.110 |
| Female | 9962 (60.6) | 53,271 (61.3) | |
| Geographic region (n [%]) | |||
| Northeast | 3222 (19.6) | 17,724 (20.4) | < 0.001 |
| North | 6290 (38.3) | 31,530 (36.3) | |
| South | 4868 (29.6) | 25,635 (29.5) | |
| West | 2020 (12.3) | 11,809 (13.6) | |
| Unknown | 40 (.2) | 264 (.3) | |
| Mean follow-up (months [SD]) | 16.99 (7.1) | 15.80 (7.0) | < 0.001 |
