Table 1 Comparison of baseline demographics: Case cohort vs. control cohort.
Variables | Cohort | p-value | |
---|---|---|---|
Case (N = 16,716) | Control (N = 133,574) | ||
Age (years)* | 67.1 (11.4) | 67.1 (11.4) | 0.870 |
Sex | 0.972 | ||
Male | 9084 (54.3) | 72,569 (54.3) | |
Female | 7632 (45.7) | 61,005 (45.7) | |
Socioeconomic status** | < 0.001 | ||
Medical beneficiary | 807 (4.8) | 3343 (2.5) | |
Low-middle | 8969 (53.7) | 69,336 (51.9) | |
High | 6639 (39.7) | 57,022 (42.7) | |
Unknown | 301 (1.8) | 3873 (2.9) | |
Prior disease condition*** | |||
Myocardial infarction | 269 (1.6) | 1962 (1.5) | 0.157 |
Congestive heart failure | 1282 (7.7) | 7938 (5.9) | < 0.001 |
Peripheral vascular disease | 3439 (20.6) | 25,754 (19.3) | < 0.001 |
Cerebrovascular disease | 2548 (15.2) | 19,507 (14.6) | 0.028 |
Dementia | 812 (4.9) | 6810 (5.1) | 0.181 |
Hemiplegia or paraplegia | 180 (1.1) | 1578 (1.2) | 0.236 |
Autoimmune disease | 1124 (6.7) | 7147 (5.4) | < 0.001 |
Chronic pulmonary disease | 7512 (44.9) | 53,389 (40.0) | < 0.001 |
Peptic ulcer disease | 6796 (40.7) | 50,570 (37.9) | < 0.001 |
Hepatic disease | 3986 (23.8) | 28,571 (21.4) | < 0.001 |
Renal disease | 622 (3.7) | 2245 (1.7) | < 0.001 |
Diabetes without chronic complication | 4024 (24.1) | 30,105 (22.5) | < 0.001 |
Diabetes with chronic complication | 1896 (11.3) | 13,296 (10.0) | < 0.001 |
Any malignancy | 1604 (9.6) | 10,504 (7.9) | < 0.001 |
Metastatic solid tumor | 145 (0.9) | 831 (0.6) | < 0.001 |
AIDS/HIV | 3 (0.0) | 21 (0.0) | 0.745 |