Table 1. Sociodemographic and health characteristics of participants.
| Population description | Low degree of PCS (<14.5) | High degree of PCS (≥14.5) | p value (≤0.05) |
|---|---|---|---|
| Age (SD) | 70.17 (7.6) | 70.30 (7.05) | 0.947a |
| Sex | |||
| Male, n (%) | 10 (33.3%) | 9 (30%) | 0.781b |
| Female, n (%) | 20 (66.7%) | 21 (70%) | |
| Body mass index (BMI) | 29.69 (4.39) | 30.60 (4.35) | |
| Normal, n (%) | 4 (13.3%) | 3 (10%) | |
| Overweight, n (%) | 13 (43.3%) | 11 (36.7%) | 0.598c |
| Type I Obesity, n (%) | 8 (26.7%) | 11 (36.7%) | |
| Type II Obesity, n (%) | 4 (13.3%) | 4 (13.3%) | |
| Type III Obesity, n (%) | 1 (3.3%) | 1 (3.3%) | |
| Charlson Comorbidity Index (CCI) | |||
| 1, n (%) | 1 (3.3%) | 0 | |
| 2, n (%) | 9 (30%) | 9 (30%) | |
| 3, n (%) | 10 (33.3%) | 15 (50%) | 0.582c |
| 4, n (%) | 8 (26.7%) | 5 (16.7%) | |
| 5, n (%) | 1 (3.3%) | 1 (3.3%) | |
| 6, n (%) | 1 (3.3%) | 0 | |
| Smoking | |||
| Never smoked, n (%) | 20 (66.7%) | 21 (70%) | |
| Quit smoking, n (%) | 9 (30%) | 7 (23.3%) | 1.000c |
| Smoker, n (%) | 1 (3.3%) | 2 (6.7%) | |
| Alcohol | |||
| Never, n (%) | 10 (33.3%) | 13 (43.3%) | 0.238c |
| Minimal consumption, n (%) | 18 (60%) | 17 (56.7%) | |
| Usual consumption, n (%) | 2 (6.7%) | 0 | |
| Type of surgery | |||
| TKA, n (%) | 10 (33.3%) | 11 (36.7%) | 0.787b |
| UKA, n (%) | 20 (66.7%) | 19 (63.3%) | |
| Education level | |||
| Read and write, n (%) | 12 (40%) | 13 (43.3%) | |
| Elementary, intermediate, n (%) | 12 (40%) | 10 (33.3%) | 0.761c |
| Secondary, vocational, n (%) | 6 (20%) | 5 (16.7%) | |
| University, n (%) | 0 | 2 (6.7%) |
Notes.
a
Independent samples t-test.
b
Pearson’s chi-squared test.
c
Linear chi-squared test.