Table 1. Patient Demographic Characteristics.
| Hyaluronic acid (N=20) | Etanercept (N=19) | p value | |
|---|---|---|---|
| Gender, n (%) | 0.55 | ||
| Male | 7 (35) | 6 (32) | |
| Female | 13 (65) | 13 (68) | |
| Age, yrs | 0.77 | ||
| Mean | 64.3±5.6 | 63.3±7.2 | |
| Range | 55-80 | 54-78 | |
| Symptom duration, months | 0.48 | ||
| Mean | 10.5±6.0 | 9.3±4.8 | |
| Range | 1-18 | 1-16 | |
| Mean pain scores | |||
| VAS | 6.2±2.8 | 6.9±2.3 | 0.28 |
| WOMAC | |||
| Pain | 14.2±3.6 | 14.5±5.0 | 0.36 |
| Stiffness | 5.1±2.4 | 5.0±2.3 | 0.33 |
| Physical function | 42.0±9.7 | 42.0±10.0 | 0.36 |
| Total | 61.2±16.8 | 61.0±15.5 | 0.44 |
VAS, visual analogue score; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.
±standard error of the mean. n=number of patients in the group, N=total number of patients in the group.