Skip to main content

Table 1 Characteristics of admissions before and after the policy change

From: The association between hallway boarding in internal wards, readmission and mortality rates: a comparative, retrospective analysis, following a policy change

Characteristics Internal department A Internal department B All
Before After All p-value Before After All p-value Before After All p-value
Number of admissions 4432 6028 10,460   4151 5934 10,085   8583 11,962 20,545  
Female (%) 53% 52% 53% 0.337 51% 52% 52% 0.115 52% 52% 52% 0.691
Age
 Mean (years) 77.9 77.5 77.7 0.165 75.5 76.3 76.0 0.011 76.7 76.9 76.8 0.417
 Median (years) 82 81 81   80 80 80   81 81 81  
 18–45 (%) 4% 4% 4% 0.247 6% 6% 6% 0.177 5% 5% 5% 0.629
 45–64 (%) 12% 13% 12%   14% 13% 14%   13% 13% 13%  
 65–74 (%) 15% 16% 15%   16% 17% 16%   16% 16% 16%  
 75–84 (%) 30% 29% 29%   29% 28% 28%   29% 29% 29%  
 85+ (%) 40% 39% 39%   35% 36% 36%   37% 38% 37%  
Hospitalization in the year prior to admission
 Mean (number) 2.0 2.0 2.0 0.898 1.9 1.9 1.9 0.117 1.9 2.0 2.0 0.334
 0 (%) 33% 33% 33% 0.417 36% 34% 35% 0.044 34% 33% 34% 0.209
 1–2 (%) 39% 39% 39%   37% 37% 37%   38% 38% 38%  
 3–5 (%) 21% 20% 21%   19% 21% 20%   20% 21% 20%  
 6+ (%) 8% 8% 8%   7% 8% 8%   8% 8% 8%  
Charlson Comorbidity Index
 CCI 0 (%) 28% 25% 26% < 0.001 28% 28% 28% 0.080 28% 26% 27% < 0.001
 CCI 1–2 (%) 47% 46% 47%   45% 45% 45%   46% 46% 46%  
 CCI 3–4 (%) 19% 22% 21%   21% 21% 21%   20% 21% 21%  
 CCI > =5 (%) 5% 8% 7%   5% 7% 6%   5% 7% 6%  
Length of stay
 Mean (days) 10.2 10.2 10.2 0.962 10.9 10.2 10.5 0.012 10.5 10.2 10.3 0.072
 SD (days) 13.4 14.0 13.7   15.3 13.4 14.2   14.4 13.7 14.0  
 Median (days) 7 6 6   7 6 6   7 6 6  
 0–1 (%) 5% 4% 4% 0.002 4% 4% 4% 0.001 5% 4% 4% < 0.001
 2–3 (%) 16% 18% 17%   16% 20% 18%   16% 19% 18%  
 4–5 (%) 19% 20% 20%   20% 21% 21%   20% 21% 20%  
 6–7 (%) 16% 17% 17%   16% 16% 16%   16% 16% 16%  
 8–10 (%) 15% 15% 15%   14% 13% 14%   15% 14% 14%  
 11–15 (%) 13% 11% 12%   12% 10% 11%   13% 11% 11%  
 16–20 (%) 6% 5% 6%   6% 5% 6%   6% 5% 6%  
 21–30 (%) 5% 5% 5%   6% 5% 5%   5% 5% 5%  
  > 30 (%) 5% 5% 5%   6% 6% 6%   5% 5% 5%  
 Number of admissions per month 120 137 129   112 135 125   232 272 254  
 Number of hospitalized patients per day* 40 46 43   40 45 43   80 91 86  
  1. * Calculated as the total number of hospitalization days divided by the number of days within the time-period
\