Table 1.
OBS | IMT | |||||
---|---|---|---|---|---|---|
(n = 362) | (n = 1063) | |||||
N/Mean | %/SD | N/Mean | %/SD | P-value | Standardized difference a | |
Age (Mean) | 65.6 | 9 | 62.8 | 8 | <.01 | 33.10 |
Age Group | ||||||
40–64 | 166 | 45.9% | 601 | 56.5% | <.01 | 21.47 |
65–74 | 137 | 37.9% | 390 | 36.7% | 0.69 | 2.39 |
75+ | 59 | 16.3% | 72 | 6.8% | <.01 | 21.47 |
Race | ||||||
White | 347 | 95.9% | 1044 | 98.2% | 0.01 | 13.91 |
Black or African American | 14 | 3.9% | 11 | 1.0% | <.01 | 18.37 |
Native Hawaiian | 1 | 0.3% | 4 | 0.4% | 0.78 | 1.75 |
Asian | 0 | 0.0% | 1 | 0.1% | 0.56 | 4.34 |
Unknown | 0 | 0.0% | 3 | 0.3% | 0.31 | 7.52 |
Marital Status | ||||||
Single | 33 | 9.1% | 68 | 6.4% | 0.08 | 10.17 |
Married | 264 | 72.9% | 860 | 80.9% | <.01 | 18.99 |
Widow | 30 | 8.3% | 67 | 6.3% | 0.20 | 7.63 |
Divorced | 33 | 9.1% | 61 | 5.7% | 0.03 | 12.89 |
Separated | 2 | 0.6% | 7 | 0.7% | 0.83 | 1.37 |
Insurance Status | ||||||
Medicare | 117 | 32.3% | 257 | 24.2% | <.01 | 18.15 |
Veterans Affairs | 2 | 0.6% | 2 | 0.2% | 0.26 | 5.99 |
Medicaid | 8 | 2.2% | 19 | 1.8% | 0.61 | 3.02 |
Commercial | 227 | 62.7% | 782 | 73.6% | <.01 | 23.44 |
Other | 4 | 1.1% | 3 | 0.3% | 0.05 | 9.91 |
Unknown | 4 | 1.1% | 0 | 0.0% | <.01 | 14.93 |
OBS observation, IMT immediate treatment, SD standard deviation, CCI Charlson Comorbidity Index
aSD = standardized difference (SD is defined as the difference in sample means or proportions divided by standard error; reported as 100*|actual standardize difference|. Standardize differences >|10| are considered significant