Table 3.
Summary of heart failure admission data
| Analysis | All HF patients aged ≥21 years n=78 805 | All HF patients aged ≥75 years n=52 714 | ||||||
| With ID/IDA | Without ID/IDA | RR (95% CI) |
P value | With ID/IDA | Without ID/IDA | RR (95% CI) |
P value | |
| Proportion with emergency admissions | 94.8% | 87.6% | 1.08 (1.07 to 1.09) |
p<0.0001 | 96.6% | 93.7% | 1.03 (1.02 to 1.04) |
p<0.0001 |
| Heart failure readmission rate ≤30 days* | 8.2% | 5.2% | 1.59 (1.50 to 1.68) |
p<0.0001 | 7.7% | 5.5% | 1.47 (1.41 to 1.54) |
p<0.0001 |
| All-cause readmission rate ≤30 days | 25.8% | 17.7% | 1.46 (1.42 to 1.50) |
p<0.05 | 25.3% | 18.7% | 1.35 (1.31 to 1.40) |
p<0.05 |
*Under the same ICD-10 HF code.13
HF, heart failure; ICD-10, 10th revision of the International Statistical Classification of Diseases and Related Health Problems; ID, iron deficiency; IDA, iron deficiency anaemia; RR, Relative risk.