TABLE 2.
Summary of the Sociodemographic Characteristics and Medical History of the Study Population
| Unit/category | Patients with data at V0-V2 n=99 | Patients with data at V0-V3 n=57 | Patients with data at V0-V4 n=41 | Statistical difference between visits P | ||
|---|---|---|---|---|---|---|
| V0 vs. V3 | V0 vs. V4 | |||||
| Age | Years | 71.3±7.0 | 70.3±7.0 | 72.2±6.7 | 0.57 | 0.80 |
| Sex | Male/female | 50/49 | 28/29 | 24/27 | 0.67 | 0.58 |
| Education* | None | 5 | 1 | 1 | 0.74 | 0.40 |
| Primary school | 20 | 9 | 8 | — | — | |
| Junior high school | 50 | 33 | 22 | — | — | |
| High school | 16 | 9 | 6 | — | — | |
| Graduation* | None | 6 | 3 | 1 | 0.91 | 0.43 |
| Vocational training | 67 | 38 | 27 | — | — | |
| College/university | 7 | 5 | 4 | — | — | |
| Work status* | Employed | 11 | 8 | 4 | 0.95 | 0.94 |
| Unemployed | 0 | 0 | 0 | — | — | |
| Sick leave | 2 | 1 | 1 | — | — | |
| Disabled | 4 | 2 | 1 | — | — | |
| Retired | 81 | 45 | 35 | — | — | |
| No. medication taken | — | 6.2±4.5 | 6.9±5.1 | 6.9±4.4 | 0.72 | 0.74 |
| No. diagnoses | — | 4.1±2.7 | 4.3±2.8 | 4.4±2.5 | 0.98 | 0.97 |
| Oswestry disability index | — | 40.7±16.3 | 44.2±16.7 | 38.6±15.3 | 0.45 | 0.97 |
| Barthel index | — | 92.4±15.9 | 91.7±14.5 | 92.1±16.3 | 0.82 | 0.99 |
| Groningen frailty index | — | 3.7±2.2 | 4.1±2.4 | 3.4±1.9 | 0.21 | 0.49 |
Since there was a substantial drop-out from the inpatient to the follow-up periods, we explored whether patient samples differed at visits, which was not the case.
*
Single questions may have been left unanswered by participants, thus the sum of answers may be lower than the sample size.