TABLE 2.
Factors associated with length of stay per inpatient admission: multivariable generalised linear model
| Variable | Coefficient (95% CI) | P value |
|---|---|---|
| Age (year) | 1.00 (1.00‐1.01) | .190 |
| Female gender | 0.99 (0.90‐1.08) | .781 |
| Race | ||
| Malay vs Chinese | 1.07 (0.95‐1.20) | .258 |
| Indian vs Chinese | 0.93 (0.82‐1.06) | .265 |
| Others vs Chinese | 1.07 (0.93‐1.23) | .358 |
| Presence of more than 3 comorbidities a | 1.18 (1.01‐1.38) | .043 |
| Diabetes mellitus | 0.81 (0.67‐0.97) | .023 |
| Venous insufficiency | 0.80 (0.63‐1.04) | .090 |
| Peripheral arterial disease | 1.25 (1.10‐1.41) | <.001 |
| Hyperlipidaemia | 0.81 (0.72‐0.92) | <.001 |
| Chronic kidney disease/end‐stage renal failure | 1.23 (1.09‐1.38) | <.001 |
| Neuropathy | 0.87 (0.73‐1.05) | .126 |
| Minor surgery b | 1.28 (1.15‐1.43) | <.001 |
| Amputation c | 1.57 (1.43‐1.73) | <.001 |
| Arterial revascularization procedure | 0.92 (0.82‐1.03) | .132 |
| Number of inpatient dressing sessions per admission d | 1.11 (1.09‐1.12) | <.001 |
Includes diabetes mellitus, venous insufficiency, peripheral arterial disease, coronary artery disease, congestive heart failure, hypertension, hyperlipidaemia, chronic kidney disease/end‐stage renal failure and neuropathy.
Includes debridement and skin grafting.
Includes amputation of toes, feet and lower limbs.
Includes podiatrist and nurse dressing sessions.