From: Absence of pain in subjects with advanced radiographic knee osteoarthritis
Variables | HAS(N = 504) | KNHANES(N = 10,152) | OAI(N = 4796) | P-value |
---|---|---|---|---|
Age (years), means ± SD | 70.1 ± 7.9 | 64.3 ± 9.5 | 61.1 ± 9.1 | < 0.0001 |
Female | 54.3 | 56.9 | 58.5 | 0.0774 |
Diabetes | 10.1 | 14.6 | 7.7 | < 0.0001 |
CVA | 6.3 | 3.4 | 2.9 | 0.0003 |
MI | 4.5 | 5.1 | 1.9 | < 0.0001 |
Hyperlipidemia | 5.7 | 16.3 | NA | < 0.0001 |
Osteoporosis | 19.2 | 12.3 | 12.1 | < 0.0001 |
BMI (kg/m2), means ± SD | 24.6 ± 3.2 | 23.9 ± 3.1 | 28.6 ± 4.8 | < 0.0001 |
Smoker | 40.4 | 40.5 | 47.1 | < 0.0001 |
Alcohol | 41.4 | 77.5 | 80.3 | < 0.0001 |
Low education | 77.9 | 65.2 | 70.9 | < 0.0001 |
Low income | 45.9 | 75.2 | 75.7 | < 0.0001 |
Marriage | 68.8 | 77.7 | 66.8 | < 0.0001 |
KL grade 4 in any tibio-femoral joint | 9.3 | 7.6 | 11.5 | < 0.0001 |