Table 1.
Subject Characteristics and Odds Ratios for Selected Risk Factors among Olmsted County Residents Age ≥65 Years With and Without Symptomatic Objectively-Diagnosed Incident VTE while a Resident of a Local Nursing Home 1988 through 2000. Unpublished Data For All Olmsted County Residents Age ≥65 Years With and Without Symptomatic Objectively-Diagnosed Incident VTE 1988 through 2000 Are Provided for Comparative Purposes.
| Subject Characteristics | Olmsted County Residents in a Nursing Home Age≥65 Years 1/1/1988 through 12/31/2000 |
Entire Olmsted County Population Age≥65 Years 1/1/1988 through 12/31/2000 |
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|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| Cases N=182 |
Controls N=364 |
OR (95% CI) | P value | Cases N=734 |
Controls N=830 |
OR (95% CI) | P value | |
| Age (yrs), mean (± SD) | ||||||||
| Mean (± SD) | 84.8 (7.3) | 84.8 (7.3) | NA | NA | 78.8 (8.2) | 78.7 (8.2) | NA | NA |
| Median, range | 84, 69–103 | 84, 68–104 | 78, 65–103 | 78, 65–103 | ||||
| Female sex, n (%) | 133 (73%) | 266 (73%) | NA | NA | 424 (58%) | 480 (58%) | NA | NA |
| Hospitalization*,†, n (%) | ||||||||
| With surgery | 35 (19%) | 49 (14%) | 2.5 (1.4 – 4.3) | 0.002 | 179 (24%) | 35 (4.2%) | 11 (7.0 – 17) | <0.001 |
| Without surgery | 85 (47%) | 122 (34%) | 2.2 (1.5 – 3.2) | <0.001 | 236 (32%) | 82 (9.9%) | 6.2 (4.5 – 8.7) | <0.001 |
| No hospitalization | 62 (34%) | 193 (53%) | 1.0 | NA | 319 (43%) | 713 (86%) | 1.0 | NA |
| Trauma/fracture*, n (%) | 35 (19%) | 51 (14%) | 1.5 (0.92 – 2.5) | 0.100 | 95 (13%) | 33 (4.0%) | 3.6 (2.4 – 5.5) | <0.001 |
| Active malignancy‡, n (%) | 33 (18%) | 33 (9.1%) | 2.3 (1.4 – 4.0) | 0.002 | 196 (27%) | 45 (5.4%) | 5.8 (4.0 – 8.3) | <0.001 |
*
Within 3 months before index
†
Modeled jointly with 2 degrees of freedom and ‘no hospitalization’ as the reference group
‡
Within 3 months before or 3 months after index