Month | Cardiovascular inpatients with respiratory diseases*(n = 50,451) | Cardiovascular inpatients without respiratory diseases (n = 258,501) | ||||||
---|---|---|---|---|---|---|---|---|
Death/No. | Death rate (%) | RRs (95% CI)† | P-value | Death/No. | Death rate (%) | RRs (95% CI)† | P-value | |
January | 355/4492 | 7.9 | 1.54 (1.28, 1.85) | < 0.01 | 843/19420 | 4.3 | 1.44 (1.30, 1.60) | < 0.01 |
February | 311/3865 | 8.1 | 1.59 (1.32, 1.92) | < 0.01 | 757/19189 | 3.9 | 1.32 (1.19, 1.47) | < 0.01 |
March | 266/4583 | 5.8 | 1.14 (0.94, 1.37) | 0.20 | 743/24004 | 3.1 | 1.03 (0.93, 1.15) | 0.55 |
April | 302/4437 | 6.8 | 1.33 (1.11, 1.61) | < 0.01 | 787/23308 | 3.4 | 1.13 (1.02, 1.25) | 0.02 |
May‡ | 210/4089 | 5.1 | Reference | 680/22669 | 3.0 | Reference | ||
June | 211/3661 | 5.8 | 1.07 (0.87, 1.31) | 0.54 | 636/20894 | 3.0 | 1.03 (0.92, 1.15) | 0.61 |
July | 233/3736 | 6.2 | 1.20 (0.99, 1.47) | 0.07 | 652/19953 | 3.3 | 1.07 (0.96, 1.19) | 0.21 |
August | 242/3873 | 6.3 | 1.16 (0.95, 1.41) | 0.14 | 639/19822 | 3.2 | 1.06 (0.95, 1.19) | 0.27 |
September | 241/3864 | 6.2 | 1.22 (1.01, 1.49) | 0.04 | 733/20349 | 3.6 | 1.18 (1.06, 1.31) | < 0.01 |
October | 309/4490 | 6.9 | 1.34 (1.11, 1.62) | < 0.01 | 863/23516 | 3.7 | 1.23 (1.11, 1.36) | < 0.01 |
November | 337/4662 | 7.2 | 1.43 (1.19, 1.72) | < 0.01 | 861/23365 | 3.7 | 1.24 (1.12, 1.38) | < 0.01 |
December | 332/4699 | 7.1 | 1.34 (1.11, 1.61) | < 0.01 | 866/22012 | 3.9 | 1.34 (1.21, 1.49) | < 0.01 |