25OHD serum levels (ng/ml) | ||||
---|---|---|---|---|
categories | n | Median (Q1;Q3) | Mean (SD) | p-valuea |
Jan - Mar | 58 | 11.80 (8.60, 16.90) | 14.34 (8.23) | |
Apr - Jun | 34 | 17.90 (11.60, 24.30) | 18.56 (9.05) | |
Jul - Sep | 37 | 23.50 (15.60, 31.10) | 25.84 (14.93) | |
Oct - Dec | 36 | 15.50 (10.70, 23.80) | 22.79 (24.87) | |
<.0001 |