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Table 3 Baseline characteristics and outcome per hospital (n = 26), median and Inter Quartile Range (IQR)

From: Evaluation of hospital outcomes: the relation between length-of-stay, readmission, and mortality in a large international administrative database

  All patients Stroke patients Colorectal patients Heart Failure patients
Number of admissions 152,429 [109,342–225,135] 3295 [1905–4113] 1146 [709–2005] 3148 [825–5037]
Age 48.5 [45.7–50.8] 67.5 [64.6–71.9] 57.7 [55.5–61.6] 70.1 [64.6–75.4]
Male gender 46.1% [44.4%–50.1%] 51.7% [49.3%–54.5%] 48.1% [46.9%–53.2%] 54.2% [50.6%–56.6%]
Number of comorbidities 1.01 [0.59–1.92] 1.93 [1.08–3.02] 1.23 [0.87–1.82] 2.54 [2.17–4.74]
Unplanned 65.0% [37.6%–74.4%] 81.7% [76.0%–90.2%] 30.9% [21.7%–37.6%] 85.7% [67.6%–94.1%]
Urgent 49.0% [34.9%–63.5%] 80.2% [74.1%–85.6%] 29.0% [21.7%–35.7%] 85.2% [67.7%–93.6%]
Outcomes
Mortality 2.6% [2.2%–3.3%] 14.1% [11.7%–16.4%] 5.6% [3.3%–7.1%] 7.9% [2.9%–12.9%]
Expected mortality 3.1% [2.0%–3.5%] 13.5% [12.6%–15.2%] 4.4% [3.4%–5.3%] 6.3% [5.1%–8.7%]
Standardized mortality 122 [72–132] 105 [88–117] 118 [68–169] 125 [48–193]
Readmission (survivors) 7.6% [4.8%–8.9%] 6.0% [4.5%–8.9%] 11.0% [9.0%–11.9%] 15.5% [11.3%–17.7%]
Expected readmission 7.7% [6.0%–9.4%] 7.8% [5.8%–8.2%] 10.4% [10.1%–11.9%] 16.7% [13.7%–19.0%]
Standardized readmission 95 [82–104] 84 [62–105] 97 [85–113] 95 [83–104]
Upper quartile LOS 22.2% [17.0%–25.0%] 19.3% [13.4%–30.6%] 28.0% [15.9%–34.0%] 21.5% [15.3%–32.3%]
Expected upper quartile LOS 21.2% [19.8%–23.1%] 23.6% [20.5%–25.8%] 23.5% [21.8%–24.3%] 22.6% [20.1%–23.9%]
Standard. upper quartile LOS 105 [69–118] 97 [53–121] 130 [70–141] 113 [64–143]