From: Clinical phenotypes of comorbidities in end-stage knee osteoarthritis: a cluster analysis
Characteristic | Total n = 421 | Men n = 87 | Women n = 334 | P Value |
---|---|---|---|---|
Age (years) | 67 ± 6 | 68 ± 7 | 67 ± 6 | 0.127 |
BMI (kg/m2) | 25.3 ± 3.4 | 24.7 ± 3.5 | 25.5 ± 3.3 | 0.497 |
Waist circumference (cm) | 89.5 ± 9.4 | 87.0 ± 10.4 | 90.6 ± 7.8 | 0.010 |
Side | ||||
Single | 147 (35) | 32 (37) | 115 (34) | 0.682 |
Double | 274 (65) | 55 (63) | 219 (66) | |
Nature of pain | ||||
Intermittent | 365 (87) | 74 (85) | 291 (87) | 0.000 |
Constant | 56 (13) | 13(15) | 43 (13) | |
Symptom duration (years) | 11.3 ± 7.3 | 9.9 ± 7.0 | 11.7 ± 7.3 | 0.211 |
Comorbidity | ||||
Obesity | 113 (27) | 19 (22) | 94 (28) | 0.237 |
Hypertension | 220 (52) | 36 (41) | 184 (55) | 0.023 |
Diabetes | 97 (23) | 14 (16) | 83 (25) | 0.084 |
Coronary heart disease | 70 (17) | 11 (13) | 59 (18) | 0.263 |
Hyperuricemia | 40 (10) | 4 (5) | 36 (11) | 0.100* |
Stroke | 43(10) | 9(10) | 34(10) | 0.964 |
Rheumatoid arthritis | 25(6) | 3(3) | 22(7) | 0.443* |
Chronic renal disease | 4(1) | 0(0) | 4(1) | 0.585* |
Liver disease | 123(29) | 20(23) | 103(31) | 0.152 |
Sleep disorders | 40(10) | 30(34) | 10 (3) | 0.477 |
Depression | 143 (34) | 19 (22) | 124 (37) | 0.007 |
Anxiety | 109 (26) | 15 (17) | 94 (28) | 0.039 |
Hyperlipidemia | 59(14) | 6(2) | 53(61) | 0.032 |