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Major attributes of the two groups.
| Attribute | Positive group (n=60) | Negative group (n=60) | Student's t-test | χ2 | P-value |
|---|---|---|---|---|---|
| Age (mean ± SD, years) | 62.6±14.9 | 66.0±15.3 | −1.234 | 0.220 | |
| Gender, n (%) | 1.259 | 0.190 | |||
| Male | 33 (55.0) | 40 (66.7) | |||
| Female | 27 (45.0) | 20 (33.3) |
SD, standard deviation.
