Table 3 Subgroup analysis of the associations between RDW and 3-year all-cause mortality by multivariable Cox regression.
No. of patients | HR (95% CI) | P-value | |
|---|---|---|---|
Gender | |||
Male | 1651 | 1.13 (1.10, 1.17) | < 0.0001 |
Female | 1348 | 1.07 (1.04, 1.10) | < 0.0001 |
Age (years) | |||
< 65 | 1433 | 1.13 (1.10, 1.17) | < 0.0001 |
≥ 65 | 1566 | 1.07 (1.04, 1.10) | < 0.0001 |
Ethnicity | |||
Caucasian | 2072 | 1.10 (1.07, 1.13) | < 0.0001 |
Black | 208 | 1.10 (1.01, 1.19) | 0.0202 |
Asian | 71 | 1.08 (0.90, 1.29) | 0.4193 |
Others | 648 | 1.08 (1.03, 1.13) | 0.0018 |
Congestive heart failure | |||
No | 1935 | 1.09 (1.06, 1.12) | < 0.0001 |
Yes | 1064 | 1.10 (1.07, 1.14) | < 0.0001 |
Pulmonary circulatory disease | |||
No | 2744 | 1.10 (1.07, 1.12) | < 0.0001 |
Yes | 255 | 1.10 (1.02, 1.18) | 0.0092 |
Chronic pulmonary disease | |||
No | 2189 | 1.09 (1.06, 1.12) | < 0.0001 |
Yes | 810 | 1.11 (1.06, 1.16) | < 0.0001 |
Renal failure | |||
No | 2643 | 1.09 (1.06, 1.11) | < 0.0001 |
Yes | 356 | 1.17 (1.10, 1.24) | < 0.0001 |
Liver disease | |||
No | 2694 | 1.10 (1.07, 1.12) | < 0.0001 |
Yes | 305 | 1.06 (1.01, 1.12) | 0.0262 |
Metastatic cancer | |||
No | 2808 | 1.10 (1.08, 1.13) | < 0.0001 |
Yes | 191 | 1.04 (0.98, 1.11) | 0.2327 |
Mechanical ventilation | |||
No | 350 | 1.14 (1.08, 1.21) | < 0.0001 |
Yes | 2649 | 1.09 (1.06, 1.11) | < 0.0001 |
