Table 1.
Demographic Characteristics of Patients with Early and End-Stage OA.
| Characteristic | Early OA (n = 46) | End-Stage OA (n = 19) | P |
|---|---|---|---|
| Age (year) | <0.0001 | ||
| Mean age (SD) | 56.8 (12.98) | 69.9 (5.64) | |
| Median age (range) | 58 (27-82) | 68 (63-85) | |
| Gender | 0.2786 | ||
| Male | 22 | 6 | |
| Female | 24 | 13 | |
| NRS score (SD) | 5.27 (1.18) | 6.32 (1.20) | 0.0022 |
| PRP | Yes | No | |
| TKA | No | Yes |
OA = osteoarthritis; n = number of patients; NRS = 11-point pain intensity Numeric Rating Scale (0 = no pain; 11 = worst pain); PRP = platelet-rich plasma; TKA = total knee arthroplasty
a
P values were calculated by using an unpaired, 2-tailed Mann-Whitney U test with 95% confidence interval or Fisher’s test, respectively. *P < 0.05 and **P < 0.01 was considered statistically significant.