Descriptive statistics | Linear regression | ||||
---|---|---|---|---|---|
April 2004 to March 2006 (n=4 280 732) | April 2006 to March 2008 (n=4 158 014) | April 2008 to March 2010 (n=4 154 603) | Change/month* | p Value for change/month | |
Mean age, years (95% CI) | 51.17 (52.14 to 52.19) | 52.65 (52.63 to 52.68) | 53.00 (52.98 to 53.02) | 0.017 (0.014 to 0.019) | <0.001 |
Percentage of female (95% CI) | 57.96 (57.92 to 58.01) | 58.26 (58.22 to 58.31) | 58.34 (58.29 to 58.39) | 0.007 (0.005 to 0.009) | <0.001 |
Percentage of urgent admission | 67.90 (67.85 to 67.94) | 66.73 (66.69 to 66.78) | 66.43 (66.38 to 66.47) | −0.029 (−0.034 to −0.024) | <0.001 |
Mean length of stay, days | 6.88 (6.87 to 6.89) | 7.03 (7.02 to 7.04) | 7.28 (7.26 to 7.30) | 0.008 (0.007 to 0.009) | <0.001 |
Mean n discharge diagnoses | 3.55 (3.55 to 3.55) | 3.79 (3.78 to 3.79) | 3.99 (3.98 to 3.99) | 0.008 (0.008 to 0.009) | <0.001 |
Percentage of Charlson score ≥3 | 2.87 (2.86 to 2.89) | 3.31 (3.30 to 3.33) | 3.27 (3.26 to 3.29) | 0.006 (0.003 to 0.009) | <0.001 |
Mean n interventions | 1.16 (1.15 to 1.16) | 1.23 (1.22 to 1.24) | 1.28 (1.27 to 1.29) | 0.002 (0.002 to 0.003) | <0.001 |
Crude percentage of death | 3.75 (3.73 to 3.77) | 4.00 (3.98 to 4.02) | 4.05 (4.03 to 4.07) | 0.006 (0.004 to 0.007) | <0.001 |
Crude percentage with palliative code as any discharge diagnosis | 1.71 (1.70 to 1.72) | 2.38 (2.36 to 2.39) | 3.32 (3.30 to 3.33) | 0.033 (0.031 to 0.035) | <0.001 |
Crude percentage with palliative code as most responsible diagnosis | 0.79 (0.78 to 0.81) | 0.97 (0.94 to 1.00) | 1.21 (1.18 to 1.25) | 0.009 (0.008 to 0.009) | <0.001 |
*Based on β-coefficient from linear regressions of seasonally adjusted monthly data.