Table 2.
Baseline characteristics of case patients and control patients.
| Characteristics | Case patients (with cancer) (n=79,245) | Control patients (without cancer) (n=316,980) | P value |
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| Age (years) |
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| Age (years), mean (SD) | 59.20 (15.23) | 59.21 (15.24) | N/Aa |
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| 20-39, n (%) | 8,292 (10.5) | 33,168 (10.5) | N/A |
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| 40-64, n (%) | 40,504 (51.1) | 162,040 (51.1) | N/A |
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| ≥65, n (%) | 30,449 (38.4) | 121,772 (38.4) | N/A |
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| Gender, n (%) |
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| Male | 40,259 (50.8) | 161,036 (50.8) | N/A |
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| Female | 38,986 (49.2) | 155,944 (49.2) | N/A |
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| Comorbid conditions, n (%) |
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| Myocardial infarction | 372 (0.47) | 1729 (0.55) | <.0001 |
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| Congestive heart failure | 2557 (3.23) | 9344 (2.95) | <.0001 |
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| Peripheral vascular disease | 1143 (1.44) | 4187 (1.32) | <.0001 |
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| Cerebrovascular disease | 5306 (6.70) | 22,609 (7.13) | <.0001 |
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| Dementia | 1205 (1.52) | 5522 (1.74) | <.0001 |
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| Chronic pulmonary disease | 5951 (7.51) | 20,423 (6.44) | <.0001 |
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| Rheumatic disease | 1138 (1.44) | 3901 (1.23) | <.0001 |
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| Peptic ulcer disease | 12,760 (16.10) | 34,283 (10.82) | <.0001 |
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| Liver disease | 11,671 (14.73) | 20,647 (6.51) | <.0001 |
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| Diabetes | 9143 (11.54) | 32,532 (10.26) | <.0001 |
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| Hemiplegia or paraplegia | 490 (0.62) | 2300 (0.73) | <.0001 |
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| Renal disease | 2793 (3.52) | 7453 (2.35) | <.0001 |
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| Other drugs, n (%) |
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| Metformin | 8236 (10.39) | 33,375 (10.53) | .07 |
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| Aspirin | 9826 (12.40) | 41,726 (13.16) | <.0001 |
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| Statin | 8336 (10.52) | 37,395 (11.80) | <.0001 |
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aN/A: not applicable.