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Comorbidity.
| Comorbidity | <75 years | % | >75 years | % | P-value |
|---|---|---|---|---|---|
| Other malignancy | 13 | 10% | 9 | 12% | NS |
| COPD | 12 | 9% | 10 | 13% | NS |
| Cardiovascular | 33 | 25% | 36 | 49% | P < .01 |
| CVA | 7 | 5% | 3 | 4% | NS |
| DVT | 0 | 0% | 1 | 1% | NS |
| Hypertension | 10 | 8% | 11 | 14% | NS |
| DM | 15 | 11% | 8 | 11% | NS |
| Other* | 5 | 4% | 9 | 12% | P < .05 |
*rheumatoid arthritis, hyperthyroidism, hypothyroidism, and sclerodermia.
