Table 2.
Descriptive statistics at baseline of the sample included in the cost analysis (n=197).
| Sociodemographic characteristic |
TELE (n=97), mean (SD) or n (%) |
VISIT (n=100), mean (SD) or n (%) |
P valuea |
| Age (years), mean (SD) | 65 (8) | 67 (8) | .11 |
| Body mass index (kg/m2), mean (SD) | 34.6 (7.6) | 33.1 (5.6) | .12 |
| Comorbidity Index (%), mean (SD) | 23 (12) | 21 (9) | .16 |
| Functional ability before TKA (WOMACb in %), mean (SD) |
53 (19) | 54 (17) | .74 |
| Round-trip distance from health care center to patient’s home (km), mean (SD) | 59 (67) | 34 (35) | .002 |
| Sex (males), n (%) | 40 (41) | 55 (55.0) | .05 |
| Operated knee (right), n (%) | 45 (46) | 51 (51.0) | .52 |
| Previous lower limb surgery, n (%) | 44 (45) | 49 (49.0) | .66 |
| Living alone, n (%) | 20 (21) | 10 (10.0) | .04 |
a P values are from Student’s t tests for continuous variables and from chi-square tests for categorical variables.
bWestern Ontario and McMaster Universities Arthritis Index (WOMAC).