Table 5.
Biomarker | n | BMI < 25 median (IQR) | n | BMI > = 25 median (IQR) | p-value | |
---|---|---|---|---|---|---|
C3 g/l | Early | 38 | 1.51 (1.38, 1.63) | 34 | 1.71 (1.57, 1.77) | < 0.001c* |
Late | 38 | 1.75 (1.62, 1.87) | 34 | 1.94 (1.82, 2.11) | 0.020d* | |
Paired | < 0.001a* | < 0.001a* | ||||
CRP mg/l | Early | 38 | 2.53 (1.73, 5.12) | 34 | 3.34 (2.21, 5.40) | 0.567e |
Late | 38 | 3.31 (2.11, 5.08) | 34 | 3.49 (2.15, 6.57) | 0.890d | |
Paired | 0.231b | 0.510b | ||||
IL-17A pg/ml | Early | 36 | 0.51 (0.19, 0.84) | 32 | 0.58 (0.31, 0.78) | 0.602c |
Late | 37 | 0.81 (0.50, 1.21) | 33 | 0.82 (0.44, 1.16) | 0.208d | |
Paired | 0.001a* | 0.142a | ||||
IL-6 pg/ml | Early | 37 | 0.97 (0.79, 1.24) | 33 | 1.26 (1.01, 1.59) | 0.040c |
Late | 37 | 1.39 (1.06, 1.71) | 34 | 1.80 (1.31, 2.18) | 0.171d | |
Paired | 0.005a* | 0.001a* | ||||
TNF-α pg/ml | Early | 37 | 7.86 (7.02, 8.56) | 34 | 7.89 (7.36, 8.61) | 0.679c |
Late | 38 | 8.08 (7.25, 9.53) | 34 | 8.53 (7.58, 10.23) | 0.329d | |
Paired | 0.068a | 0.001a* | ||||
CD163 ng/ml | Early | 37 | 322.78 (294.37, 397.75) | 34 | 374.79 (323.25, 458.33) | 0.034e |
Late | 38 | 452.51 (363.76, 526.81) | 33 | 516.66 (426.68, 637.08) | 0.169d | |
Paired | < 0.001a* | < 0.001a* | ||||
ICAM1 ng/ml | Early | 37 | 311.20 (268.49, 353.04) | 34 | 319.70 (295.33, 338.75) | 0.448f. |
Late | 38 | 283.64 (243.22, 314.63) | 34 | 316.08 (261.71, 362.34) | 0.221d | |
Paired | 0.133a | 0.912a | ||||
GDF15 ng/ml | Early | 37 | 10.60 (8.12, 11.36) | 34 | 8.57 (7.32, 9.78) | 0.016c* |
Late | 38 | 15.64 (11.85, 18.62) | 34 | 14.81 (12.55, 17.84) | 0.612d | |
Paired | < 0.001a* | < 0.001a* | ||||
Leptin ng/ml | Early | 37 | 18.05 (11.82, 24.21) | 34 | 30.31 (21.33, 44.48) | < 0.001c* |
Late | 38 | 20.15 (11.21, 36.34) | 34 | 35.25 (27.86, 49.61) | 0.615d | |
Paired | 0.005a* | 0.185a |
Comparison of biomarker concentrations in early and late pregnancy between mothers with a baseline BMI of less than 25, and mothers with a baseline BMI of greater than or equal to 25. n = 72.
aWilcoxon Rank Sum test on abnormally distributed data.
bPaired t-test on normally distributed log transformed data.
cMann-Whitney U test on abnormally distributed data.
dp value generated via Analysis of covariance comparing serum marker concentrations in late pregnancy between BMI groups controlled for baseline (early) levels.
eIndependent T-test on normally distributed log-transformed data.
fIndependent T-test on normally distributed data.
*Significant after Benjamini Hochberg adjustment for multiple comparisons.