Table 2.
Comparison of patient characteristics stratified by successful and unsuccessful measurements
| Characteristics | Successful (n = 20) | Unsuccessful (n = 9) | p value | |
|---|---|---|---|---|
| Sociodemographic | ||||
| Age, mean ± SD, years | 81.5±6.8 | 87.2±4.4 | 0.030* | |
| Female sex, n | 12 | 4 | 0.436 | |
| Current or past smoker, yes, n | 8 | 2 | 0.351 | |
| Medical history and medication | ||||
| CCI, score (0–37) | 6 [4.8–7] | 6 [5–7] | 0.943 | |
| CIRS, score (0–56) | 11 [9–12] | 11 [6–12] | 0.585 | |
| Cardiovascular disease, yes, n | 5 | 2 | 0.872 | |
| Type-2 diabetes mellitus, yes, n | 7 | 1 | 0.183 | |
| Cerebrovascular disease, yes, n | 0 | 3 | 0.006* | |
| Parkinsonism or Parkinson's disease, yes, n | 1 | 2 | 0.159 | |
| Medication number | 10 [8–15] | 7 [5–10] | 0.127 | |
| Cognitive impairment, yes, n | 11 | 7 | 0.242 | |
| Physical functioning | ||||
| Falls in previous 12 months, yes, n | 16 | 6 | 0.438 | |
| SPPB, score (0–12) | 4 [2.8–7] | 1 [0–2] | 0.039* | |
| FAC, score (0–5) | 3 [2.5–4] | 3 [1–3] | 0.128 | |
| KADL, median (IQR), score (0–6) | 2 [1–4] | 1 [0–2] | 0.184 | |
| IADL, median (IQR), score (0–8) | 1 [1–2] | 2 [0–3] | 1.000 | |
| Frailty | ||||
| CFS, score (0–9) | 5 [4–6] | 6 [4–6] | 0.379 | |
| Nutritional status | ||||
| BMI, mean ± SD, kg/m2 | 30.9±7.7 | 23.5±4.6 | 0.012* | |
| MST, score (0–5) | 0 [0–2] | 0 [0–2] | 0.549 |
All values are presented as mean (IQR) unless otherwise stated. IADL, Lawton and Brody's Instrumental Activities of Daily Living; KADL, Katz Index of Activities of Daily Living; CCI, Charlson comorbidity index; SPPB, short physical performance battery; FAC, functional ambulation classification; BMI, body mass index; MST, malnutrition screening tool; IQR, interquartile range; CIRS, Cumulative Illness Rating Scale.
Statistically significant p < 0.05.