Skip to main content

Table 2 Active and previous comorbidities as stated in the hospital medical records

From: Risk factors for hospital readmission in older adults within 30 days of discharge – a comparative retrospective study

Diagnosis Comparison group (n = 360) Readmitted
<  30 days (n = 360)
p-value
Chronic ischaemic heart disease, % 24 34 0.007b, d
Myocardial infarctiona, % 22 24 0.535b, d
Congestive heart failurea, % 26 33 0.033b
Peripheral vascular diseasea, % 7.8 9.2 0.503b
CVAa or TIAa, % 29 27 0.507b
Dementiaa, % 13 17 0.141b, d
Chronic obstructive pulmonary diseasea, % 13 26 < 0.001b
Connective tissue diseasea, % 22 20 0.463b
Peptic ulcer diseasea, % 16 23 0.038b
Mild liver diseasea, % 0.6 2.2 0.063c, e
Severe liver diseasea, % 0.0 1.1 0.124c
Diabetes mellitusa, % 17 21 0.130b
Hemiplegiaa, % 2.5 1.9 0.613c
Kidney failure stadium IVa, % 4.5 14 < 0.001b, e
History of cancer, % 31 44 < 0.001b
Solid tumoura, % 14 26 < 0.001b
Metastatic tumoura, % 3.9 14 < 0.001b
Leukaemiaa, % 1.9 1.9 1.000c
Lymphomaa, % 0.8 3.3 0.019c
AIDSa, %
Leg ulcer, % 3.3 7.5 0.014b
Atrial fibrillation, % 28 37 0.011b
History of embolic disease, % 8.3 14 0.013b
  1. Abbreviations: CVA Cerebrovascular accident, TIA Transient ischaemic attack, SD Standard Deviation
  2. aVariables included in the Charlson Comorbidity Index bχ2-test cFishers’ exact test dInternal missing 0.1–0.3% eInternal missing 0.7–1.1%
  3. Significant p-values are indicated in bold.