Table 2.
Demographic Dataa
| Mild Group (n = 25) | Moderate Group (n = 9) | Severe Group (n = 18) | P Value | |
|---|---|---|---|---|
| Sex, male/female, n | 15/10 | 1/8 | 9/9 | .056 |
| Age, mean ± SD, y | 63 ± 7 | 63 ± 6 | 62 ± 7 | .929 |
| Follow-up period, mean ± SD, mo | 38 ± 17 | 29 ± 7 | 48 ± 20 | .027b |
| Dominant arm involvement | 13 (52) | 6 (67) | 15 (83) | .103 |
| Heavy labor worker | 6 (24) | 4 (44) | 10 (56) | .102 |
| Diabetes | 4 (16) | 1 (11) | 3 (17) | >.99 |
| Smoking history | 2 (8) | 0 (0) | 1 (6) | >.99 |
| Education level of college graduate or higher | 11 (44) | 1 (11) | 4 (22) | .122 |
aData are presented as n (%) unless otherwise specified.
bStatistically significant between moderate and severe groups.