Table 2 Demographic and radiologic factors of unicompartmental versus tricompartmental OA
From: Osteoarthritis progression pattern based on patient specific characteristics using machine learning
Variable | Unicompartmental OA (n = 479) | Tricompartmental OA (n = 354) | P-value | Initial visit | Final visit | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Unicompartmental OA | Tricompartmental OA | P-value | Unicompart- mental OA | Tricompartmental OA | P-value | |||||
Demographic factors | OARSI grade for radiographic factors | |||||||||
Age (years, initial visit) | 56.0 ± 9.9 | 60.5 ± 7.9 | <0.001 |  JSN (mean grade) | ||||||
Age (years, final visit) | 66.9 ± 9.7 | 71.4 ± 7.6 | <0.001 |  MTF | 0.7 ± 0.5 | 0.6 ± 0.5 | 0.011 | 1.3 ± 0.6 | 2.0 ± 0.9 | <0.001 |
Sex (male/female) | 95/384 | 72/282 | NS |  LTF | 0.0 ± 0.1 | 0.1 ± 0.3 | 0.021 | 0.0 ± 0.2 | 0.3 ± 0.7 | <0.001 |
BMI (kg/m2) | 24.0 ± 2.8 | 25.7 ± 3.3 | <0.001 |  PF | 0.0 ± 0.2 | 0.2 ± 0.4 | <0.001 | 0.2 ± 0.4 | 1.3 ± 0.7 | <0.001 |
BMD (lowest T-score) | −1.2 ± 1.3 | −2.0 ± 1.1 | <0.001 |  Osteophyte (mean grade) | ||||||
Metabolic disease | 243 (50.7%) | 266 (75.1%) | <0.001 |  MF | 0.3 ± 0.5 | 0.9 ± 0.7 | <0.001 | 1.3 ± 0.8 | 2.4 ± 0.7 | <0.001 |
 HTN | 245 (51.4%) | 212 (59.9%) | 0.012 |  LF | 0.1 ± 0.3 | 0.4 ± 0.5 | <0.001 | 0.2 ± 0.5 | 1.9 ± 0.7 | <0.001 |
 DM | 83 (17.3%) | 127 (35.9%) | <0.001 |  MT | 0.4 ± 0.5 | 0.7 ± 0.6 | <0.001 | 1.0 ± 0.7 | 1.8 ± 0.6 | <0.001 |
Dyslipidemia | 160 (33.4%) | 172 (48.6%) | <0.001 |  LT | 0.1 ± 0.3 | 0.3 ± 0.5 | <0.001 | 0.2 ± 0.4 | 1.7 ± 0.8 | <0.001 |
Other comorbidities | 114 (23.8%) | 102 (28.8%) | NS |  PF | 0.1 ± 0.3 | 0.5 ± 0.5 | <0.001 | 0.2 ± 0.4 | 1.8 ± 0.6 | <0.001 |
Follow-up period (months) | 10.9 ± 2.9 | 10.9 ± 3.7 | NS |  |  |  |  |  |  |  |
