Table 2.
Baseline characteristics of COVID‐19 patients with and without heart failure before and after propensity score matching
| Variable | Before propensity score matching | After propensity score matching | SMD* | ||
|---|---|---|---|---|---|
| Without HF | With HF | Without HF | With HF | ||
| N | 7320 | 310 | 991 | 288 | |
| Sex, male | 2886 (39.43) | 124 (40.00) | 387 (39.05) | 111 (38.54) | 0.0217 |
| Age (years) | −0.0015 | ||||
| <60 | 5409 (73.89) | 53 (17.10) | 199 (20.08) | 53 (18.40) | |
| ≥60 | 1911 (26.11) | 357 (82.90) | 792 (79.92) | 235 (81.60) | |
| Household income | 0.0295 | ||||
| T1, lowest | 3175 (43.47) | 130 (41.94) | 425 (42.89) | 120 (41.67) | |
| T2 | 2101 (28.70) | 78 (25.16) | 255 (25.73) | 71 (24.65) | |
| T3, highest | 2044 (27.92) | 102 (32.90) | 311 (31.38) | 97 (33.68) | |
| Comorbidities | |||||
| Hypertension | 1399 (19.11) | 281 (90.65) | 892 (90.01) | 259 (89.93) | 0.0148 |
| Diabetes mellitus | 649 (8.87) | 105 (33.87) | 336 (33.91) | 96 (33.33) | 0.0061 |
| Stroke | 233 (3.18) | 57 (18.39) | 154 (15.54) | 51 (17.71) | −0.0090 |
| Atrial fibrillation | 57 (0.78) | 66 (21.29) | 45 (4.54) | 44 (15.28) | −0.0255 |
| Asthma | 295 (4.03) | 42 (13.55) | 96 (9.69) | 38 (13.19) | −0.0168 |
| Chronic kidney disease | 345 (4.86) | 73 (23.55) | 195 (19.68) | 69 (23.96) | −0.0116 |
| Malignancy | 480 (6.56) | 59 (19.03) | 157 (15.84) | 59 (20.49) | −0.0232 |
Note: Data are presented as number with percentage.
Abbreviations: HF, heart failure; SMD, standard mean difference; T, tertile.
*
All standardized mean difference values were <0.1 in the propensity score matched cohort.