Table 2. Occurrence and association of non-cardiovascular comorbid conditions with hospital length of stay.
| Variables | No. of patients | Median LOS (IQR) | IRR (95% CI) | P value |
|---|---|---|---|---|
| Individual NCCsa | ||||
| Chronic pulmonary disease | 148 | 5.44 (2.96–8.83) | 1.13 (1.02–1.25) | 0.027 |
| Diabetes | 444 | 4.96 (2.46–9.83) | 1.04 (0.96–1.12) | 0.266 |
| Anaemia | 93 | 5.04 (3.12–9.70) | 1.09 (0.96–1.25) | 0.176 |
| Dementia | 44 | 3.98 (1.56–9.56) | 1.08 (0.90–1.30) | 0.421 |
| Cancer | 69 | 5.46 (2.71–10.04) | 1.07 (0.92–1.24) | 0.408 |
| Renal disease | 347 | 5.92 (3.17–10.75) | 1.10 (1.01–1.19) | 0.023 |
| NCC dyadb | ||||
| Diabetes and renal disease cluster | ||||
| No diabetes + no renal disease | 889 | 4.00 (2.04–8.46) | 1.0 | – |
| Diabetes + no renal disease | 252 | 4.08 (1.94–8.25) | 1.00 (0.92–1.09) | 0.989 |
| No diabetes + renal disease | 155 | 5.45 (3.17–10.63) | 1.05 (0.94–1.17) | 0.375 |
| Diabetes + renal disease | 192 | 5.98 (3.15–10.81) | 1.19 (1.07–1.31) | 0.001 |
| Anaemia and diabetes cluster | ||||
| No diabetes + no anaemia | 992 | 4.08 (2.13–8.79) | 1.0 | – |
| Diabetes + no anaemia | 403 | 4.95 (2.29–9.46) | 1.05 (0.97–1.13) | 0.231 |
| No diabetes + anaemia | 52 | 4.96 (2.90–8.44) | 1.14 (0.96–1.35) | 0.137 |
| Diabetes + anaemia | 41 | 5.08 (3.29–11.79) | 1.11 (0.91–1.34) | 0.300 |
| Renal disease and anaemia cluster | ||||
| No anaemia + no renal disease | 1,088 | 4.00 (1.96–8.46) | 1.0 | – |
| Renal disease + no anaemia | 307 | 5.92 (3.17–10.75) | 1.11 (1.02–1.21) | 0.010 |
| No renal disease + anaemia | 53 | 5.04 (3.13–8.46) | 1.14 (0.97–1.35) | 0.106 |
| Renal disease + anaemia | 40 | 4.96 (3.15–11.15) | 1.15 (0.95–1.39) | 0.152 |
| CPD and diabetes cluster | ||||
| No CPD + no diabetes | 931 | 4.08 (2.08–8.79) | 1.0 | – |
| CPD + no diabetes | 113 | 5.38 (3.04–8.71) | 1.15 (1.02–1.29) | 0.025 |
| No CPD + diabetes | 409 | 4.96 (2.38–9.83) | 1.04 (0.97–1.13) | 0.271 |
| CPD + diabetes | 35 | 5.46 (2.88–9.71) | 1.12 (0.91–1.38) | 0.272 |
| Renal disease and CPD cluster | ||||
| No CPD + no renal disease | 1,036 | 3.98 (1.96–8.29) | 1.0 | – |
| CPD + no renal disease | 105 | 5.00 (2.67–8.67) | 1.10 (0.97–1.25) | 0.128 |
| No CPD + renal disease | 304 | 5.89 (1.79–10.75) | 1.09 (1.01–1.19) | 0.041 |
| CPD + renal disease | 43 | 5.92 (3.50–10.75) | 1.34 (1.11–1.61) | 0.002 |
| Total number of NCCs† | ||||
| 0 | 703 | 3.83 (1.96–8.04) | 1.0 | – |
| 1 | 474 | 4.40 (2.38–8.92) | 1.07 (0.99–1.15) | 0.085 |
| ≥2 | 311 | 5.83 (3.04–10.5) | 1.22 (1.11–1.33) | <0.001 |
†, from a possible 13; a, only non-cardiovascular comorbid conditions with prevalence >2% are presented; b, only the top 5 most prevalent non-cardiovascular comorbid dyads are presented. IQR, interquartile range; IRR, incidence rate ratio; CPD, chronic pulmonary disease; NCC, non-cardiovascular comorbidity.