Table 2.
Characteristics of matched participants using propensity score in FNF, ITF, and HC groups
| Characteristics [mean ± SD or % (n)] | Matched population | Mean difference a | P value b | Matched population | Mean difference a | P value b | ||
|---|---|---|---|---|---|---|---|---|
| HC (n = 159) | FNF (n = 159) | HC (n = 101) | ITF (n = 101) | |||||
| Male gender, % (n) | 23.3 (37) | 26.4 (42) | n/a | n/a | 39.6 (40) | 28.7 (29) | n/a | n/a |
| Age (years) | 69.9 ± 6.3 | 69.8 ± 9.4 | −0.1 (−0.2) | 0.8 | 73.2 ± 6.8 | 73.6 ± 6.0 | 0.4 (0.5) | 0.8 |
| Weight (kg) | 64.4 ± 10.8 | 64.5 ± 9.5 | 0.1 (0.1) | 0.8 | 64.9 ± 8.8 | 64.4 ± 11.1 | −0.5 (−0.7) | 0.8 |
| Height (cm) | 161.0 ± 7.4 | 163.1 ± 7.5 | 2.2 (1.3) | 0.01 | 162.1 ± 7.7 | 162.2 ± 8.6 | 0.1 (0.1) | 0.8 |
| BMI (kg/cm2) | 24.8 ± 3.1 | 24.2 ± 3.0 | −0.6 (−2.3) | 0.1 | 24.7 ± 2.7 | 24.5 ± 4.05 | −0.2 (−0.6) | 0.7 |
| Handgrip (kg) | 23.7 ± 7.9 | 16.6 ± 9.6 | −7.1 (−42.8) | <0.01 | 24.9 ± 9.0 | 15.4 ± 10.3 | −9.6 (−62.2) | <0.01 |
| G.MaxM area (cm2) | 37.1 ± 6.9 | 34.0 ± 7.0 | −3.1 (−9.1) | <0.01 | 38.8 ± 7.4 | 31.8 ± 7.2 | −7.1 (−22.2) | <0.01 |
| G.MaxM density (HU) | 32.5 ± 6.4 | 26.0 ± 6.9 | −6.5 (−24.9) | <0.01 | 33.1 ± 6.3 | 22.7 ± 7.9 | −10.4 (−45.9) | <0.01 |
| G.Med/MinM density (HU) | 41.6 ± 4.5 | 33.0 ± 6.1 | −8.3 (−25.1) | <0.01 | 41.1 ± 4.6 | 30.5 ± 5.3 | −10.6 (−34.9) | <0.01 |
| SBP (mmHg) | 126.9 ± 8.9 | 143.1 ± 20.3 | 16.2 (11.4) | <0.01 | 128.0 ± 7.8 | 146.7 ± 21.5 | 18.7 (12.7) | <0.01 |
| DBP (mmHg) | 74.0 ± 8.6 | 72.7 ± 20.0 | −1.3 (−1.8) | 0.7 | 75.1 ± 7.1 | 79.7 ± 11.8 | 4.6 (5.8) | 0.03 |
| TH aBMD (g/cm2) | 0.8 ± 0.12 | 0.6 ± 0.1 | −0.1 (−19.8) | <0.01 | 0.8 ± 0.2 | 0.6 ± 0.1 | −0.2 (−34.5) | <0.01 |
| FN aBMD (g/cm2) | 0.7 ± 0.1 | 0.5 ± 0.1 | −0.1 (−21.5) | <0.01 | 0.7 ± 0.1 | 0.5 ± 0.09 | −0.2 (−33.1) | <0.01 |
| FN CortThick (mm) | 1.8 ± 0.3 | 1.7 ± 0.3 | −0.1 (−8.6) | <0.01 | 1.9 ± 0.3 | 1.7 ± 0.3 | −0.2 (−12.6) | <0.01 |
BMI, body mass index; DBP, diastolic blood pressure; FN aBMD, femoral neck areal bone mineral density; FN CortThick, cortical thickness of femoral neck; FNF, femoral neck fracture; G.MaxM, gluteus maximus muscle; G.Med/MinM, gluteus medius and minimus muscle; HC, healthy control; HU, Hounsfield units; ITF, intertrochanteric fracture; SBP, systolic blood pressure; SD, standard deviation; TH aBMD, total hip areal bone mineral density.
a
Data in parentheses are percentage mean differences.
b
P values were obtained for fracture risk using two‐sample Wilcoxon tests for continuous variables.