Table 2.
Characteristics of the study groups- nutritional correlates of OH
| Parameter | Total | OH+ group | OH-group | P valuea | Missing values |
|---|---|---|---|---|---|
| No. (%) of patients | 353 (100.0) | 57 (16.2) | 296 (83.8) | ||
| MNA-SF, Me (IQR) | 12.0 (9.0–13.0) | 12.0 (9.0–13.0) | 18.0 (9.75–13.0) | 0.53 | 8 |
| MNA-SF score <8, n (%) | 49 (14.20) | 13 (23.64) | 36 (12.41) | 0.03 | 8 |
| BMI, kg/m2, M (SD) | 29.25 (5.97) | 28.10 (5.98) | 29.60 (5.98) | 0.10 | - |
| BMI<24 kg/m2, n (%) | 59 (18.27) | 10 (19.23) | 49 (18.08) | 0.84 | 30 |
| BMI>30 kg/m2, n (%) | 140 (43,3) | 16 (30.8) | 124 (45.8) | 0.04 | 30 |
| WHR, Me (IQR) | 0.91 (0.86–0.95) | 0.91 (0.88–0.96) | 0.9 (0.86–0.95) | 0.28 | - |
| MAC, cm, M (SD) | 28.13 (3.96) | 28.11 (4.18) | 28.14 (3.92) | 0.95 | 33 |
| MAC≤22cm, n (%) | 78 (22.09) | 11 (22.00) | 67 (24.81) | 0.67 | 33 |
| CC, cm, M (SD) | 34.71 (4.48) | 33.73 (4.59) | 34.89 (4.44) | 0.09 | 33 |
| CC<31cm, n (%) | 56 (15.86) | 13 (26.00) | 43 (15,93) | 0.09 | 33 |
| Handgrip strength, kg, Me (IQR) | 18.2 (13.85–22.75) | 19.4 (15.5–23.3) | 18 (13.6–22.7) | 0.14 | 25 |
| Weakness, n (%) | 218 (66.46) | 39 (70.91) | 179 (65.57) | 0.44 | 25 |
| Albumin, g/L M (SD) | 39.1 (3.7) | 39.1 (3.7) | 39.2 (3.7) | 0.67 | 14 |
a - χ2 test or Fisher exact test, as appropriate, for categorical variables; Mann-Whitney test for interval variables. Abbreviations: BMI- body mass index; CC- calf circumference; IQR- interquartile range; M- mean value; MAC- mid-arm circumference; Me- median value; MNA-SF- Mini Nutritional Assessment-Short Form; n- number of cases; OH- orthostatic hypotension; SD- standard deviation; WHR- waist-hip ratio.