Table 3. Univariate and multivariate analyses of in-hospital mortality among inpatients treated for PAOD (2016–2018).
| In-hospital mortality | Univariate analysis |
Multivariate analysis
(Nagelkerke’s pseudo-R²: 0.174) |
||
| Odds ratio | p-value | Odds ratio | p-value | |
| PAOD stage − Fontaine IIb (ref) − Fontaine III − Fontaine IVu − Fontaine IVg |
1.00 8.29 [7.54; 9.11] 14.39 [13.22; 15.65] 34.36 [31.69; 37.26] |
< 0.001 < 0.001 < 0.001 |
1.00 6.80 [6.19; 7.48] 9.52 [8.74; 10.38] 22.42 [20.64; 24.35] |
< 0.001 < 0.001 < 0.001 |
| Age (continuous) | 1.07 [1.07; 1.08] | < 0.001 | 1.04 [1.04; 1.05] | < 0.001 |
| Sex − male (ref) − female |
1.00 1.28 [1.23; 1.32] |
< 0.001 |
1.00 0.98 [0.94; 1.01] |
0.176 |
| Hypertension | 0.57 [0.55; 0.59] | < 0.001 | 0.64 [0.62; 0.66] | < 0.001 |
| Type 2 diabetes mellitus | 1.31 [1.26; 1.35] | < 0.001 | 1.02 [0.98; 1.05] | 0.325 |
| Dyslipidemia | 0.44 [0.42; 0.46] | < 0.001 | 0.67 [0.65; 0.70] | < 0.001 |
| Care level − Maximum care (≥ 800) (ref) − Central care (500–799) − Standard care (300–499) − Basic care (100–299) − Minimum care (< 100) |
1.00 1.01 [0.97; 1.06] 0.95 [0.91; 1.00] 0.86 [0.82; 0.91] 0.49 [0.39; 0.60] |
0.596 0.049 < 0.001 < 0.001 |
1.00 1.00 [0.95; 1.05] 0.96 [0.91; 1.01] 0.81 [0.77; 0.86] 0.49 [0.39; 0.60] |
0.895 0.092 < 0.001 < 0.001 |
| Certification status − Not certified (ref) − Certified |
1.00 0.94 [0.91; 0.97] |
< 0.001 |
1.00 0.99 [0.96; 1.03] |
0.791 |
The odds ratios are given with their 95% confidence intervals. In the multivariate analysis they were adjusted for all variables (PAOD stage, age, sex, hypertension, type 2 diabetes mellitus, dyslipidemia, care level, and certification status).
IVg, Stage IV with gangrene; IVu, stage IV with ulceration; ref, reference; PAOD, peripheral arterial occlusive disease