Table 1 Baseline continuous variable values in both groups and total
Variable | Iron group | Value | p-value |
|---|---|---|---|
Age* / years | Total | 67.9 (12.4) | 0.043 |
FDI | 63.4 (12.2) | ||
FCM | 73.2 (10.8) | ||
Body mass index / kg/m2 | Total | 27.8 (25.0–33.4) | 0.279 |
FDI | 28.8 (26.2–36.3) | ||
FCM | 26.8 (23.0–32.7) | ||
iFGF23 / pg/ml | Total | 212.1 (145.1–311.6) | 0.212 |
FDI | 257.3 (136.2–584.6) | ||
FCM | 186.5 (143.6–226.6) | ||
Phosphate / mmol/L | Total | 1.28 (1.12–1.43) | 0.193 |
FDI | 1.30 (1.16–1.59) | ||
FCM | 1.20 (1.07–1.38) | ||
Hemoglobin* / g/L | Total | 100.3 (13.5) | 0.664 |
FDI | 99.2 (12.2) | ||
FCM | 101.6 (15.3) | ||
Serum Ferritin / µg/L | Total | 76.5 (38.7–157.5) | 0.899 |
FDI | 76.5 (25.0–183.5) | ||
FCM | 72.7 (42.3–146.9) | ||
Transferrin saturation / % | Total | 15.0 (11.7–18.5) | 0.781 |
FDI | 15.0 (11.0–21.0) | ||
FCM | 14.5 (12.0–17.8) | ||
Creatinine* / µmol/L | Total | 269.5 (88.2) | 0.626 |
FDI | 277.6 (98.8) | ||
FCM | 260.2 (77.3) | ||
eGFR / ml/min/1.73m2 | Total | 18.0 (14.0–25.3) | 1.000 |
FDI | 18.0 (14.0–25.3) | ||
FCM | 18.0 (14.0–25.3) | ||
CRP / mg/L | Total | 7.4 (3.3–17.3) | 0.462 |
FDI | 8.0 (3.2–20.8) | ||
FCM | 4.3 (3.4–13.4) | ||
urinary PCR / mg/mmol | Total | 87.5 (30.0–341.3) | 0.082 |
FDI | 155.0 (57.5–607.5) | ||
FCM | 30.0 (20.0–310.0) | ||
1,25 (OH)2 Vitamin D* / pmol/L | Total | 45.6 (22.2) | 0.290 |
FDI | 41.3 (20.8) | ||
FCM | 50.7 (23.5) | ||
25 (OH)2 Vitamin D / nmol/L | Total | 57.4 (22.4–86.0) | 0.252 |
FDI | 44.2 (18.3–83.1) | ||
FCM | 67.5 (29.9–97.0) | ||
24(R),25 (OH)2 Vitamin D / nmol/L | Total | 2.2 (0.6–3.4) | 0.631 |
FDI | 1.2 (0.5–4.5) | ||
FCM | 2.9 (0.9–3.2) | ||
Calcium* / mmol/L | Total | 2.35 (0.08) | 0.813 |
FDI | 2.35 (0.08) | ||
FCM | 2.34 (0.09) | ||
PTH / pmol/L | Total | 17.4 (11.3–22.6) | 0.145 |
FDI | 18.9 (12.9–28.8) | ||
FCM | 16.3 (7.9–20.9) | ||
24 hr. urinary phosphate / mmol | Total | 17.5 (11.0–22.3) | 0.023 |
FDI | 21.0 (15.0–23.5) | ||
FCM | 12.5 (10.3–17.8) | ||
Fractional excretion of phosphate/ % | Total | 43.2 (32.9–55.6) | 0.374 |
FDI | 49.7 (32.2–58.3) | ||
FCM | 36.4 (32.9–54.5) | ||
ALP / [iU]/L | Total | 97.0 (79.0–144.3) | 0.667 |
FDI | 96.0 (79.0–153.0) | ||
FCM | 107.0 (77.8–129.8) | ||
BALP / [U]/L | Total | 19.5 (15.0–26.4) | 0.462 |
FDI | 21.3 (16.6–26.8) | ||
FCM | 18.7 (14.1–27.5) | ||
CTx / µg/ml | Total | 0.89 (0.52–1.07) | 0.560 |
FDI | 0.84 (0.56–1.01) | ||
FCM | 0.98 (0.49–1.18) | ||
P1NP / µg/L | Total | 103.0 (63.0–174.3) | 0.820 |
FDI | 112.0 (70.3–178.8) | ||
FCM | 103.0 (63.0–166.3) |