Table 1 Baseline characteristics according to serum calcium
Variables | Normal calcium (n = 390) | Hypocalcemia (n = 193) | P value |
|---|---|---|---|
Age (years) | 78.96 ± 8.45 | 80.04 ± 7.59 | 0.135 |
Sex, n (%) | 0.076 | ||
Male | 113 (28.97) | 70 (36.27) | |
Female | 277 (71.03) | 123 (63.73) | |
Height (cm) | 157.44 ± 6.59 | 158.11 ± 6.15 | 0.243 |
Weight (Kg) | 54.00 ± 8.97 | 53.87 ± 6.98 | 0.861 |
BMI (Kg/m2) | 21.72 ± 2.90 | 21.51 ± 2.18 | 0.372 |
Hypertension, n (%) | 142 (36.41) | 67 (34.72) | 0.688 |
Diabetes mellitus, n (%) | 70 (17.95) | 40 (20.73) | 0.423 |
Anemia on admission, n (%) | 265 (67.95) | 154 (79.79) | 0.002 |
CCI score, n (%) | 0.377 | ||
None | 213 (54.62) | 99 (51.30) | |
Low | 120 (30.77) | 57 (29.53) | |
Moderate/severe | 57 (14.62) | 37 (19.17) | |
Time from injury to hospital (h) | 9.5 (3.0, 48.0) | 10.0 (2.0, 72.0) | 0.624 |
Hip fracture type, n (%) | 0.769 | ||
Femoral neck | 195 (50.00) | 94 (48.70) | |
Intertrochanteric | 195 (50.00) | 99 (51.30) |