Table 1.
Demographic and clinical details of the recruited subjects
| Variables | PSD | Stroke | HC | Statistics | df | P-valuea | |
|---|---|---|---|---|---|---|---|
| Training set | Sample Size | 32 | 35 | 35 | _ | _ | _ |
| Age (Year)b | 62.1±9.3 | 60.7±9.0 | 58.5±4.8 | F=1.8 | 101 | 0.169 | |
| BMI (kg*m-2)b | 22.8±2.5 | 23.2±3.45 | 21.8±2.7 | F=1.9 | 101 | 0.150 | |
| HDRS Scoresb | 17.4±4.9 | 1.9±1.8 | 0.2±0.5 | F=346.1 | 101 | 0.000 | |
| Sex (M/F) | 17/15 | 20/15 | 14/21 | χ2=2.2 | 2 | 0.326 | |
| Smoking (Y/N) | 11/21 | 16/19 | 10/25 | χ2=2.3 | 2 | 0.317 | |
| Drinking (Y/N) | 8/24 | 13/22 | 7/28 | χ2=2.7 | 2 | 0.256 | |
| Test set | Sample Size | 10 | 11 | 11 | _ | _ | _ |
| Age (Year)b | 62.4±5.2 | 61.5±7.8 | 63.8±3.5 | F=0.5 | 31 | 0.634 | |
| BMI (kg*m-2)b | 22.3±2.9 | 22.6±3.7 | 21.0±2.0 | F=0.9 | 31 | 0.403 | |
| HDRS Scoresb | 16.8±4.3 | 1.6±2.8 | 0.4±0.8 | F=98.2 | 31 | 0.000 | |
| Sex (M/F) | 6/4 | 6/5 | 6/5 | χ2=0.1 | 2 | 0.959 | |
| Smoking (Y/N) | 4/6 | 4/7 | 3/8 | χ2=0.4 | 2 | 0.816 | |
| Drinking (Y/N) | 2/8 | 6/5 | 1/10 | χ2=6.1 | 2 | 0.047 |
Notes: aANOVA test for continuous variables (age, BMI and HDRS Scores); Chi-square analyses for categorical variables (sex, smoking, drinking). bValues expressed as the mean ± SD (range).
Abbreviations: BMI, Body Mass Index; HDRS, Hamilton Depression Rating Scale; M/F, Male/Female; Y/N, Yes/No. HC, healthy comparison; PSD, post-stroke depression.