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Table 4 Characteristics for invited patients (n=512), by response status

From: Frequent hospital admission of older people with chronic disease: a cross-sectional survey with telephone follow-up and data linkage

  Survey respondents Survey non- respondents P value
  N=102 N =410  
  n % n %  
Age group (at survey)       <0.001
  65-79 68 66.7 177 43.2  
  ≥80 34 33.3 233 56.8  
Gender       0.056
  Male 63 61.8 210 51.2  
  Female 39 38.2 200 48.8  
Maximum Charlson       0.385
Comorbidity Index 0 28 27.5 88 21.5  
  1-2 55 53.9 230 56.1  
  ≥3 19 18.6 92 22.4  
Number of ACS       0.942
conditions (multi-morbidity) 1 18 17.6 67 16.3  
  2 34 33.3 143 34.9  
  3 30 29.4 132 32.2  
  4 17 16.7 58 14.1  
  5 3 2.9 10 2.4  
≥5 medications       0.060
  Yes 13 12.7 86 21.0  
For Unplanned Admissions in index year      
Frequent /very frequent       0.067
admissions 3 admissions 65 63.7 220 53.7  
  4+ admissions 37 36.3 190 46.3  
Number of admissions 1 Mean(se) 4.1 (0.2) 4.6 (0.1) 0.032
Number of admissions2 Median (range) 3 (3–9) 3 (3–11) 0.078
Number of Unplanned Bed Days3 Mean (se) 5.2 (0.2) 6.2 (0.3) 0.014
Number of Unplanned Bed Days2 Median (range) 4 (1–25) 4 (1–48) 0.040
  1. 1 Results from Poisson regression model :estimated means, standard errors and p value.
  2. 2 Results of non-parametric Wilcoxon test of ranks : p values.
  3. 3 Results of GEE Gamma regression model: stimated means, standard errors and p value.