Table 1.
Demographic and clinical variables for 355 patients with knee osteoarthritisa.
Fig 1.
Mean knee-pain scores in 355 patients with knee osteoarthritis, according to patients’ ethnic or racial group. The error bars represent 95% confidence intervals adjusted by using the Tukey procedure for multiple comparisons. The difference between Hispanic and white patients and between Native American and white patients was significant (p < 0.001 for both comparisons).
Table 2.
Association of binary variables and pain score on univariate analysis.
Fig 2.
Kellgren-Lawrence grade and pain scores.
Mean knee-pain scores in 355 patients with knee osteoarthritis, according to Kellgren-Lawrence Grade. The error bars represent 95% confidence intervals adjusted by using the Tukey procedure for multiple comparisons. There were no significant differences between groups.