Table 1.
Patient characteristics
| Variablea | Fallers (n=83) |
Nonfallers (n=5,062) |
P-value |
|---|---|---|---|
| Age mean (range; SD) |
70.8 yrs (39–96; 12.0) |
67.3 yrs (18–97; 10.8) |
0.004 |
| Gender | 0.704 | ||
| Females | 49 (59) | 2,883 (57) | |
| Males | 34 (41) | 2,179 (43) | |
| BMI mean (range; SD) |
27.3 (18.1–51.6; 5.7) |
28.4 (14.3–60.8; 5.1) |
0.064 |
| Missing | 1 (1.2) | 26 (0.5) | |
| Joint | 0.578 | ||
| THA | 46 (55.4) | 2,650 (52.4) | |
| TKA | 37 (44.6) | 2,412 (47.6) | |
| Use of walking aid | 0.002 | ||
| Yes | 33 (41.2) | 1,273 (25.8) | |
| No | 47 (58.8) | 3,663 (74.2) | |
| Missing | 3 (3.6) | 126 (2.5) | |
| Social situation | <0.001 | ||
| Living with others | 35 (42.2) | 3,327 (65.7) | |
| Living alone | 46 (55.4) | 1,687 (33.3) | |
| Nursing home, etc | 2 (2.4) | 48 (0.9) | |
| Alcohol >2 units daily | 0.695 | ||
| Yes | 5 (6.3) | 371 (7.4) | |
| No | 75 (93.8) | 4,639 (92.6) | |
| Missing | 3 (3.6) | 52 (1.0) | |
| Diabetes | 0.104 | ||
| Yes | 14 (17.1) | 570 (11.3) | |
| No | 68 (82.9) | 4,531 (88.6) | |
| Missing | 1 (1.2) | 29 (0.6) | |
| Treatment for CD | 0.284 | ||
| Yes | 7 (8.5) | 621 (12.5) | |
| No | 75 (91.5) | 4,359 (87.5) | |
| Missing | 1 (1.2) | 82 (1.6) | |
| Treatment for PD | 0.606 | ||
| Yes | 5 (6.1) | 382 (7.6) | |
| No | 77 (93.9) | 4,633 (92.4) | |
| Missing | 1 (1.2) | 47 (0.9) | |
| Treatment for PsD | <0.001 | ||
| Yes | 16 (20.0) | 346 (6.9) | |
| No | 64 (80.0) | 4,672 (93.1) | |
| Missing | 3 (3.6) | 44 (0.9) | |
| Primary LOS | 0.022 | ||
| Median (IQR) | 3 (2–3) | 2 (2–3) | |
| Mean (range) | 3.1 (1–7) | 2.9 (1–34) |
Note:
a
Results presented as number of cases (%) unless otherwise specified.
Abbreviations: BMI, body mass index; CD, cardiac disease; IQR, interquartile range; LOS, length of hospital stay; PD, pulmonary disease; PsD, psychiatric disease; SD, standard deviation; THA, total hip arthroplasty; TKA, total knee arthroplasty; yrs, years.