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Table 4 ACSH rates and variation statistics, by cause of hospitalization.

From: Geographic variations in avoidable hospitalizations in the elderly, in a health system with universal coverage

   Hypertensive cardiovascular disease Heart failure Pneumonia
   Both sexes Men Women Both sexes Men Women Both sexes Men Women
N Health districts 34 34 34 34 34 34 34 34 34
  Population 2,428,373 972,093 1,456,280 2,428,373 972,093 1,456,280 2,428,373 972,093 1,456,280
Rates Cases 23,375 13,189 10,186 22,863 8,538 14,325 13,749 8,298 5,451
  Crude rate 9.41 8.78 9.84 9.63 13.57 6.99 5.66 8.54 3.74
  Adjusted rate 9.30 9.66 8.97 9.58 13.94 6.65 5.59 9.57 3.39
  Minimum 3.64 7.30 2.48 3.64 3.84 2.96 1.1 1.92 0.75
  Maximum 27.39 41.09 18.42 25.38 25.21 25.65 16.96 28.71 9.81
  Percentile 5 3.74 7.94 2.95 3.74 4.61 3.45 1.27 2.04 0.86
  Percentile 25 8.37 11.71 5.67 6.79 6.63 6.66 3.23 5.38 2.14
  Percentile 50 10.02 14.60 6.86 9.50 9.82 9.75 5.27 8.80 3.54
  Percentile 75 13.59 18.36 9.65 14.39 14.23 15.47 10.17 15.26 6.78
  Percentile 95 20.38 28.44 15.15 21.36 20.97 22.14 15,94 26.39 9.58
Variation statistics CV 0.43 0.44 0.46 0.51 0.55 0.50 0.61 0.62 0.61
  SCV 0.23 0.16 0.28 0.32 0.22 0.38 0.69 0.57 0.77
  wCV 0.54 0.55 0.57 0.69 0.74 0.67 0.84 0.85 0.84
  Chi-square <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
Ratio of variation RV 7.52 5.63 7.43 6.97 6.57 8.67 15.28 14.95 13.08
  RV P5-P95 5.45 3.58 5.14 5.72 4.55 6.42 12.58 12.94 11.10
  RV P25-P75 1.62 1.57 1.70 2.12 2.15 2.32 3.15 2.84 3.16
  1. CV: coefficient of variation. SCV: systematic coefficient of variation. wCV: weighted coefficient of variation. RV: ratio of variation. ACSH: Hospitalizations for Ambulatory Care Sensitive Conditions
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