Table 2.
Demographic and baseline characteristics of the intention-to-treat population.
| Characteristic | One injection (n = 39) | Combined injections (n = 39) | P value |
|---|---|---|---|
| Age, years | 58.4 ± 8.1 | 60.6 ± 8.4 | 0.242t |
| Gender, female (%) | 22 (56.4%) | 18 (46.2%) | 0.365a |
| Weight, kg | 65.4 ± 13.3 | 65.6 ± 14.3 | 0.932t |
| Height, cm | 161.7 ± 6.5 | 161.6 ± 7.3 | 0.948t |
| Body mass index, kg/m2 | 24.8 ± 4.1 | 25.0 ± 4.6 | 0.873t |
| Employment status (light worker/heavy labor) | 37 (94.9%)/2 (5.1%) | 35 (89.7%)/4 (10.3%) | 0.337f |
| Knee injection side (left/right) | 19 (48.7%)/20 (51.3%) | 20 (51.3%)/19 (48.7%) | 0.821a |
| Disease duration, years | 4.4 ± 2.3 | 5.5 ± 3.4 | 0.089t |
The values are given as mean ± the standard deviation or number of patients, with the percentage in parentheses.
aχ2-test.
fFisher's exact test.
tIndependent t-test.
*P < 0.05.