Table 1 Patient characteristics
Total group | No hospitalization the year before the index hospitalization | ≥ 1 hospitalization the year before the index hospitalization | |||||||
|---|---|---|---|---|---|---|---|---|---|
Without re-admission (466) | With re-admission (737) | p-value | Without re-admission (140) | With re-admission (99) | p-value | Without re-admission (326) | With readmission (638) | p-value | |
Age (years) | 70.7 ± 11.5 | 70.6 ± 10.6 | 0.80 | 70.0 ± 12.1 | 70.7 ± 11.7 | 0.64 | 71.0 ± 11.1 | 70.6 ± 10.6 | 0.48 |
Gender (% women) | 38.8% | 36.3% | 0.38 | 38.5% | 37.3% | 0.85 | 38.9% | 36.2% | 0.40 |
Low SES (%) | 57.1% | 59.4% | 0.42 | 56.4% | 45.4% | 0.09 | 57.5% | 61.6% | 0.20 |
Charleson score | 4.0 ± 2.8 | 4.6 ± 3.0 | 0.0001 | 3.1 ± 2.4 | 3.2 ± 2.6 | 0.82 | 4.3 ± 2.9 | 4.9 ± 3.0 | 0.007 |
BMI (%) | 28.3 ± 7.7 | 28.1 ± 6.8 | 0.75 | 28.7 ± 8.4 | 28.2 ± 6.3 | 0.61 | 28.1 ± 7.4 | 28.1 ± 6.9 | 0.93 |
Current smoker (%) | 77.5% | 77.5% | 0.99 | 81.4% | 79.8% | 0.75 | 75.8% | 77.1% | 0.64 |
Asthma (%) | 33.7% | 38.3% | 0.11 | 27.1% | 32.3% | 0.39 | 36.5% | 39.1% | 0.42 |
s/p MI (%) | 21.2% | 24.8% | 0.15 | 15.0% | 13.1% | 0.68 | 23.9% | 26.6% | 0.36 |
CHF (%) | 26.4% | 36.2% | 0.0004 | 22.1% | 23.2% | 0.84 | 28.2% | 38.2% | 0.002 |
DM (%) | 39.3% | 47.6% | 0.004 | 32.8% | 39.3% | 0.30 | 42.0% | 48.9% | 0.04 |
HTN (%) | 67.8% | 70.7% | 0.29 | 62.8% | 53.5% | 0.15 | 69.9% | 73.3% | 0.26 |
CRF (%) | 21.9% | 23.8% | 0.55 | 16.43% | 13.1% | 0.58 | 24.2% | 25.1% | 0.77 |
Osteoporosis (%) | 18.0% | 20.2% | 0.02 | 13.5% | 17.1% | 0.44 | 19.9% | 24.9% | 0.08 |