Table 4 Serum concentrations of vitamins in CKD patients
Vitamin | CKD | p-value | ||||
|---|---|---|---|---|---|---|
Stage 1 (n = 179) | Stage 2 (n = 187) | Stage 3 (n = 201) | Stage 4 (n = 97) | Stage 5 (n = 95) | ||
Vit A (µM) | 0.69 (0.54, 0.92) | 0.73 (0.60, 0.98) | 0.85 (0.64, 1.04) | 0.81 (0.67, 1.03) | 1.01 (0.77, 1.34) | 0.000 |
Vit B1 (nM) | 82.91 (76.47, 91.04) | 87.27 (77.65, 97.09) | 86.11 (78.77, 95.79) | 89.33 (80.49, 101.68) | 83.81 (76.87, 92.79) | 0.004 |
Vit B2 (nM) | 11.50 (10.73, 12.36) | 11.37 (10.68, 12.43) | 11.29 (10.63, 12.30) | 10.84 (10.26, 11.77) | 11.05 (10.47, 12.01) | 0.000 |
Vit B6 (nM) | 31.30 (29.67, 33.12) | 31.46 (29.44, 32.93) | 31.28 (29.16, 33.21) | 32.11 (29.16, 34.02) | 33.67 (30.98, 34.92) | 0.000 |
Vit B9 (nM) | 20.51 (15.76, 24.88) | 18.51 (14.76, 24.65) | 18.2 (13.97, 23.45) | 19.34 (15.41, 24.85) | 19.24 (14.35, 23.87) | 0.150 |
Vit B12 (pM) | 418.5 (361.7, 448.1) | 403.0 (363.0, 445.3) | 390.4 (355.3, 430.8) | 417.3 (381.2, 445.3) | 438.2 (390.0, 464.7) | 0.000 |
Vit C (µM) | 35.44 (33.29, 38.96) | 35.54 (34.04, 37.76) | 35.82 (33.46, 38.38) | 35.7 (34.37, 38.66) | 36.36 (34.35, 38.45) | 0.733 |
Vit D (nM) | 35.68 (29.41, 42.47) | 35.65 (30.03, 42.29) | 35.24 (28.80, 40.78) | 30.01 (24.74, 34.98) | 26.12 (20.86, 30.27) | 0.000 |
Vit E (µM) | 25.72(25.03, 26.37) | 25.98 (25.17, 26.58) | 25.66 (24.96, 26.51) | 25.56 (24.98, 26.33) | 25.84 (25.10, 26.75) | 0.177 |