Table 1 Patients’ baseline demographics and clinical characteristics
From: Preoperative vitamin D level is significantly associated with hypocalcemia after total thyroidectomy
Vitamin D category | P value | ||||
|---|---|---|---|---|---|
Severe deficiency (25-OHD < 10 ng/mL) | Deficiency (25-OHD 10–20 ng/mL) | Insufficiency (25-OHD 20–30 ng/mL) | Sufficiency (25-OHD > 30 ng/mL) | ||
N | 47 (24.0%) | 62 (31.6%) | 51 (26.0%) | 36 (18.4%) | |
Age (yrs) | 46.4 ± 5.1 | 47.0 ± 5.2 | 477.1 ± 5.6 | 46.3 ± 5.1 | 0.85 |
Gender | |||||
Female | 35 (74.5%) | 46 (74.2%) | 62 (71.3%) | 62 (71.3%) | 0.89 |
Male | 12 (25.5%) | 16 (25.8%) | 25 (28.7%) | 25 (28.7%) | |
BMI (kg/m2) | 23.8 ± 3.3 | 24.2 ± 3.4 | 24.8 ± 3.4 | 23.4 ± 44.0 | 0.28 |
Residence | |||||
Urban | 32 (68.1%) | 46 (74.2%) | 58 (66.7%) | 58 (66.7%) | 0.60 |
Rural | 15 (31.9%) | 16 (25.8%) | 29 (33.3%) | 29 (33.3%) | |
Season of surgery | 0.29 | ||||
Spring | 8 (17.0%) | 12 (19.4%) | 11 (21.6%) | 6 (16.7%) | |
Summer | 17 (36.2%) | 21 (33.9%) | 10 (19.6%) | 6 (16.7%) | |
Autumn | 15 (31.9%) | 14 (22.6%) | 13 (25.5%) | 13 (36.1%) | |
Winter | 7 (14.9%) | 15 (24.2%) | 17 (33.3%) | 11 (30.6%) | |
Preoperative 25-OHD (ng/ml) | 7.0 ± 1.8 | 16.5 ± 2.3 | 25.7 ± 2.8 | 33.2 ± 22.0 | < 0.01 |
Preoperative serum calcium (mg/dl) | 8.9 ± 0.3 | 8.9 ± 0.3 | 8.9 ± 0.2 | 8.8 ± 0.3 | 0.16 |
Preoperative serum albumin (g/dL) | 3.2 ± 0.7 | 3.2 ± 0.8 | 3.2 ± 0.7 | 3.2 ± 0.6 | 0.97 |
Preoperative PTH (pg/ml) | 54.4 ± 14.9 | 51.7 ± 14.4 | 51.0 ± 16.1 | 48.5 ± 14.1 | 0.36 |