Table 1.
Comparisons of demographic, radiographic, and hematologic data within 12 months after the onset of hip pain among patients with rapidly progressive osteoarthritis of the hip and developmental dysplasia of the hip.
| RPOH | DDH (n=9) | p by ANOVA | p by Bonferroni test | ||||
|---|---|---|---|---|---|---|---|
|
|
|
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| type 1 (n=17) | type 2 (n=24) | types 1–2 | type 1- DDH | type 2-DDH | |||
| Age (years) | 73.9±2.2 | 73.9±1.8 | 62.9±3.8 | 0.010 | 1.000 | 0.019 | 0.012 |
| Body mass index (kg/m2) | 23.6±1.0 | 22.5±0.7 | 22.6±1.3 | 0.661 | 1.000 | 1.000 | 1.000 |
| Cortical thickness index | 0.528±0.016 | 0.530±0.012 | 0.546±0.023 | 0.790 | 1.000 | 1.000 | 1.000 |
| Pelvic tilt parameter | 0.557±0.026 | 0.492±0.025 | 0.649±0.021 | 0.002 | 0.190 | 0.142 | 0.002 |
| Duration between the onset of hip pain and blood test (months) | 4.88±0.76 | 5.92±0.75 | 5.89±1.23 | 0.621 | 1.000 | 1.000 | 1.000 |
| Matrix metalloproteinase-3 (ng/mL) | 64.7±6.5 | 141.8±22.8 | 34.2±4.8 | 0.001 | 0.011 | 1.000 | 0.004 |
Values are expressed as mean±SE.
ANOVA: one-way analysis of variance; RPOH: rapidly progressive osteoarthritis of the hip; DDH: developmental dysplasia of the hip