Table 1.
Patients’ characteristics, accompanied by comparison between BMI groups, RAC-OST-POL study, May 2010
| Group | Calculated value | Age (years) | Weight (kg) | Height (cm) | BMI (kg/m2) |
|---|---|---|---|---|---|
| Total N = 405 | Mean | 66.5 | 74.3 | 155.9 | 30.6 |
| SD | 7.9 | 13.6 | 5.8 | 5.4 | |
| Median | 65.3† | 73.0† | 156.0 | 30.0† | |
| Minimum | 55.0 | 44.0 | 136.0 | 19.7 | |
| Maximum | 92.2 | 120.0 | 171.0 | 47.4 | |
| BMIϵ <18.5; 25.0 kg/m2, N = 61 | Mean | 63.5 | 57.1 | 157.0 | 23.1 |
| SD | 6.7 | 5.6 | 6.5 | 1.5 | |
| Median | 61.8†a | 58.0a | 157.0 | 23.5†a | |
| Minimum | 55.2 | 44.0 | 141.0 | 19.7 | |
| Maximum | 79.5 | 68.0 | 171.0 | 25.0 | |
| BMIϵ <25.0; 30.0 kg/m2, N = 140 | Mean | 66.3 | 67.4 | 156.4 | 27.5 |
| SD | 8.2 | 5.9 | 5.4 | 1.4 | |
| Median | 64.5†ab | 67.0b | 156.0 | 27.3†b | |
| Minimum | 55.0 | 52.0 | 141.0 | 25.1 | |
| Maximum | 92.2 | 83.0 | 170.0 | 30.0 | |
| BMIϵ <30.0; 35.0 kg/m2, N = 118 | Mean | 67.3 | 78.5 | 155.5 | 32.4 |
| SD | 7.8 | 7.0 | 6.1 | 1.4 | |
| Median | 67.8†b | 78.0c | 156.0 | 32.4†c | |
| Minimum | 55.1 | 63.0 | 136.0 | 30.0 | |
| Maximum | 84.1 | 95.0 | 171.0 | 34.9 | |
| BMI ≥ 35.0 kg/m2, N = 86 | Mean | 67.7 | 92.2 | 155.0 | 38.4 |
| SD | 7.7 | 9.9 | 5.3 | 2.9 | |
| Median | 67.3†b | 92.0d | 155.0 | 37.6†d | |
| Minimum | 55.1 | 71.0 | 139.0 | 35.0 | |
| Maximum | 89.0 | 120.0 | 166.0 | 47.4 | |
| p e | p e | 0.0057 | 0.0000 | 0.1299 | 0.0000 |
†Variable was not normally distributed (verified by the Shapiro-Wilk test; p < 0.05)
a, b, c, dMean/median values within the column with unlike superscript letters were significantly different (p < 0.05)
eDifferences assessed by the ANOVA/Kruskal-Wallis ANOVA