Table 1.
Baseline Characteristics of 3-Year Responders (stratified according to completeness of foot pain data) and Those Lost to Follow-Up at 3 Years
| Responders at 3 y |
Lost to 3 y Follow-Up (n = 3,644), No (%) | ||
| Foot Pain Data Complete at Both Timepoints (n = 2,718), No (%) | Foot Pain Data Incomplete at Either/Both Timepoints (n = 1,516), No (%) | ||
| Age (y) | |||
| 50–59 | 1115 (41.0) | 451 (29.7) | 955 (26.2) |
| 60–69 | 905 (33.3) | 508 (33.5) | 939 (25.8) |
| 70+ | 698 (25.7) | 557 (36.7) | 1750 (48.0) |
| Gender | |||
| Female | 1452 (53.4) | 898 (59.2) | 2066 (56.7) |
| Male | 1266 (46.6) | 618 (40.8) | 1578 (43.3) |
| Baseline foot pain status in those who provided baseline information | n = 2,718 | n = 753 | n = 2,293 |
| No foot pain | 1939 (71.3) | 366 (48.6) | 2061 (89.9) |
| Nondisabling foot pain | 319 (11.7) | 128 (17.0) | 57 (2.5) |
| Disabling foot pain | 460 (16.9) | 259 (34.4) | 175 (7.6) |