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Table 3 Serum IFABP and calprotectin by day of life (DOL) among preterm infants (24–29 weeks gestational age)

From: Normative values for circulating intestinal fatty acid binding protein and calprotectin across gestational ages

 

IFABP ng/ml

Median (IQR; max)

Calprotectin ng/ml

Median (IQR; max)

DOL 1–7 (N = 56)

0.03 (0.01–1.02; 8.11)

1298 (730–2198; 10,056)

DOL 8–14 (N = 8)

0.51 (0.02–2.0; 20.70)

748 (596–886, 1367)

DOL 15–21 (N = 9)

2.07 (1.22–3.95; 7.23)

1021 (650–1329; 10,022)

DOL 22–28 (N = 11)

1.20 (0.03–2.89; 6.57)

784 (552–1808; 3592)

DOL 29–35 (N = 7)

2.62 (2.06–3.71; 11.05)

428 (345–971; 2043)

DOL 36–42 (N = 8)

2.53 (0.59–3.79; 5.06)

765 (588–878; 1009)

DOL 43–49 (N = 8)

2.48 (2.07–3.31; 3.54)

1023 (425–1639; 2528)

DOL 50–60 (N = 12)

2.07 (0.97–2.66; 3.19)

573 (353–917; 3321)

DOL > 60 (N = 12)

1.54 (0.94–3.42; 15)

608 (390–847; 2940)