Figure 1.
Assignment table of independent variables_
| Variable | Assignment mode |
|---|---|
| Age (years) | Plug in the original |
| Hearing or vision loss | No = 0, yes = 1 |
| Use of assistive devices | No = 0, yes = 1 |
| A history of falls in the past year | No = 0, yes = 1 |
| Frailty | No = 0, yes = 1 |
| Dialysis-related hypotension | No = 0, yes = 1 |
| TUG test | <13.5 s = 0, ≥13.5 s = 1 |
| Serum albumin (g/L) | Plug in the original |
| Fasting blood glucose (mmol/L) | Plug in the original |
Univariate analysis of falls in patients with hemodialysis in the modeling group_
| Variable | Fall group, cases (%) | Non-fall group, cases (%) | Z/χ2 value | P value |
|---|---|---|---|---|
| Age, (years, M [P25, P75]) | 72 (67.25, 76.75) | 59 (49.00, 69.00) | –5.077 | 0 |
| Dialysis period (months, M [P25, P75]) | 72 (34.25, 135.00) | 62 (30.00, 135.00) | –0.734 | 0.463 |
| Gender | 0.184 | 0.668 | ||
| Male | 17 (53.1) | 157 (57.1) | ||
| Female | 15 (46.9) | 118 (42.9) | ||
| Cardiovascular disease | 0.139 | 0.710 | ||
| Yes | 31 (96.9) | 257 (93.5) | ||
| No | 1 (3.1) | 18 (6.5) | ||
| Hearing or vision loss | 9.525 | 0.002 | ||
| Yes | 8 (25.0) | 148 (53.8) | ||
| No | 24 (75.0) | 127 (46.2) | ||
| Use of assistive devices | 38.603 | 0 | ||
| Yes | 14 (43.8) | 18 (6.5) | ||
| No | 18 (56.3) | 257 (93.5) | ||
| A history of falls in the past year | 36.544 | 0 | ||
| Yes | 16 (50.0) | 26 (9.5) | ||
| No | 16 (50.0) | 249 (90.5) | ||
| Frailty | 30.790 | 0 | ||
| Yes | 22 (68.8) | 62 (22.5) | ||
| No | 10 (31.3) | 213 (77.5) | ||
| Dialysis-related hypotension | 39.347 | 0 | ||
| Yes | 19 (59.4) | 38 (13.8) | ||
| No | 13 (40.6) | 237 (86.2) | ||
| TUG test, seconds (s) | 39.157 | 0 | ||
| <13.5 | 11 (34.4) | 228 (82.9) | ||
| ≥13.5 | 21 (65.6) | 47 (60.9) | ||
| Grip strength test (KG, M [P25, P75]) | 22.15 (13.95, 27.50) | 23.90 (18.30, 27.80) | –1.498 | 0.134 |
| Hemoglobin (g/L, M [P25, P75]) | 109.0 (99.00, 122.00) | 112.5 (106.00, 126.00) | –1.010 | 0.312 |
| Serum albumin (g/L, M [P25, P75]) | 32.75 (29.68, 36.40) | 40.10 (38.40, 42.00) | –6.719 | 0 |
| Serum phosphorus (mmol/L, M [P25, P75]) | 1.71 (1.49, 1.93) | 1.88 (1.46, 2.25) | –1.420 | 0.155 |
| Serum calcium (mmol/L, M [P25, P75]) | 2.36 (2.13, 2.52) | 2.27 (2.13, 2.47) | –0.367 | 0.713 |
| Fasting blood glucose (mmol/L, M [P25, P75]) | 9.1 (5.07, 12.88) | 5.68 (4.82, 7.52) | –3.788 | 0 |
Logistic regression analysis of fall-related factors in patients with hemodialysis_
| Variable | B value | Standard error | Wald value | P value | OR value | 95% CI |
|---|---|---|---|---|---|---|
| A history of falls in the past year | 1.374 | 0.642 | 4.575 | 0.032 | 3.951 | 1.122–13.913 |
| Dialysis-related hypotension | 1.939 | 0.686 | 7.981 | 0.005 | 6.949 | 1.811–26.672 |
| TUG test | 1.533 | 0.684 | 5.027 | 0.025 | 4.630 | 1.213–17.678 |
| Serum albumin | −0.414 | 0.085 | 23.978 | 0.000 | 0.661 | 0.560–0.780 |
| Frailty | 2.050 | 0.655 | 9.801 | 0.002 | 7.770 | 2.153–28.046 |
| Fasting blood glucose | 0.131 | 0.057 | 5.341 | 0.021 | 1.141 | 1.020–1.275 |
| Constant | 9.588 | 3.054 | 9.858 | 0.002 |