Table 2 Sample characteristics of the 500 participants
From: Vitamin D, parathyroid hormone and metabolic syndrome – the PORMETS study
Total | Women | Men | p valuea | |
|---|---|---|---|---|
Age (years) - median (P25, P75) | 53 (41, 67) | 52 (40, 66) | 56 (45, 68) | 0.072 |
25(OH)D (ng/mL) - median (P25, P75) | 13.8 (9.7,17.6) | 13.8 (9.7, 17.5) | 13.7 (9.9, 17.9) | 0.681 |
25(OH)D (ng/mL) / UV exposure - median (P25, P75) | ||||
Low UV | 13.4 (9.3, 17.5) | 13.4 (9.3, 16.6) | 13.2 (9.0, 17.9) | |
High UV | 14.3 (10.0, 18.3)b | 14.1 (9.9, 18.6) | 14.5 (10.2, 17.6) | 0.603 |
VitD adequacy - n (%) | ||||
Deficiency | 181 (37.7) | 102 (37.5) | 79 (38.0) | |
Inadequacy | 230 (47.9) | 133 (48.9) | 97 (46.6) | |
Sufficiency | 69 (14.4) | 37 (13.6) | 32 (15.4) | 0.821 |
PTH (pg/mL) - median (P25, P75) | 38.1 (29.8, 49.2) | 38.6 (29.8, 50.1) | 37.8 (30.0, 47.7) | 0.375 |
“Blunted PTH response” – n (%) | ||||
No | 20 (10.8) | 16 (15.4) | 4 (4.9) | |
Yes | 165 (89.2) | 88 (84.6) | 77 (95.1) | 0.023 |
PTH status – n (%) | ||||
Hypoparathyroidism | 4 (0.8) | 0 (0) | 4 (1.9) | |
Normal status | 449 (89.8) | 254 (88.8) | 195 (91.1) | |
Hyperparathyroidism | 47 (9.4) | 32 (11.2) | 15 (7.0) | 0.021 |
BMI classification - n (%) | ||||
Underweight | 6 (1.2) | 5 (1.7) | 1 (0.5) | |
Normal range | 159 (31.9) | 94 (32.9) | 65 (30.5) | |
Pre-obese | 213 (42.7) | 113 (39.5) | 100 (46.9) | |
Obese | 121 (24.2) | 74 (25.9) | 47 (22.1) | 0.242 |
Metabolic syndrome - n (%) | ||||
No | 307 (61.6) | 169 (59.3) | 138 (64.8) | |
Yes | 191 (38.4) | 116 (40.7) | 75 (35.2) | 0.213 |