Table 7 Changes over time: frequencies of categories of 25OHD serum levels at different time points
Time-point | Eligible (n) | Normal (n) (%) | 20 – 30 ng/ml (n) (%) | 10 – 19 ng/ml (n) (%) | <10 ng/ml (n) (%) | p-valuea | p-valueb |
|---|---|---|---|---|---|---|---|
0 (preoperatively) | 83 | 18 (21.7%) | 22 (26.5%) | 30 (36.2%) | 13 (15.7%) | - | - |
1 (immediate p/o) | 84 | 15 (17.9%) | 19 (22.6%) | 31 (36.9%) | 19 (22.6%) | 0.232 | - |
2 (3 months p/o) | 78 | 12 (15.4%) | 20 (25.6%) | 35 (44.9%) | 11 (14.1%) | 0.4397 | - |
3 (6 months p/o) | 39 | 3 (7.7%) | 10 (25.6%) | 14 (35.9%) | 12 (30.8%) | 0.0270 | 0.0737 |
4 (12 months p/o) | 26 | 1 (3.9%) | 7 (26.9%) | 15 (57.7%) | 3 (11.5%) | 0.1605 | 0.0559 |
5 (24 months p/o) | 24 | 2 (8.3%) | 8 (33.3%) | 10 (41.7%) | 4 (16.7%) | 0.3905 | 0.0793 |
6 (>24 months p/o) | 26 | 6 (23.1%) | 6 (23.1%) | 9 (34.6%) | 5 (19.2%) | 0.8444 | 0.1913 |