Table 4.
HRQL Scores and P Values for Comparisons Between BMI Groups
| Underweight (1) | Non-obese (2) | Obese (3) | Significant P values | |
|---|---|---|---|---|
| EQ-5D before fracture | 0.69 (0.64-0.74) | 0.76 (0.75-0.77) | 0.72 (0.70-0.73) | (1) vs. (2),a (2) vs. (3)a |
| EQ-5D after fracture | 0.66 (0.61-0.71) | 0.73 (0.72-0.74) | 0.69 (0.67-0.70) | (2) vs. (3)a |
| Reduction in EQ-5D | 0.02 (−0.02-0.07) | 0.03 (0.02-0.04) | 0.03 (0.02-0.04) | |
| Physical function before fracture | 67.0 (60.9-73.1) | 70.0 (69.0-71.0) | 55.4 (53.6-57.3) | (1) vs. (3),b (2) vs. (3)b |
| Physical function after fracture | 59.6 (53.1-66.0) | 64.8 (63.7-65.9) | 50.9 (48.9-52.8) | (1) vs. (3),b (2) vs. (3)b |
| Reduction in physical function | 7.2 (2.6-11.8) | 5.1 (4.4-5.9) | 4.7 (3.2-6.1) | |
| Vitality score before fracture | 53.7 (49.1-58.3) | 58.4 (57.7-59.2) | 50.8 (49.4-52.2) | (2) vs. (3)b |
| Vitality score after fracture | 50.3 (45.5-55.1) | 56.0 (55.3-56.8) | 50.0 (48.5-51.5) | (2) vs. (3)b |
| Reduction in vitality score | 3.0 (−0.6-6.6) | 2.3 (1.7-2.9) | 1.0 (−0.1-2.1) |
Data are unadjusted means (95% confidence intervals)
BMI body mass index, CI confidence interval, HRQL health-related quality of life
a
Alpha level ≤ 0.017 for pair-wise unadjusted comparisons
b
Alpha level ≤ 0.017 for pair-wise unadjusted and adjustedc comparisons
c
Adjusted for age, comorbidities (hypertension, heart disease, high cholesterol, asthma, emphysema, osteoarthritis and diabetes), and fracture type (clavicle, upper arm, wrist, spine, rib, hip, pelvis, ankle, upper and lower leg)