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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Early Hum Dev. 2014 Jan 27;90(4):195–200. doi: 10.1016/j.earlhumdev.2014.01.003

Table 2.

Correlations between cord blood VEGF and sFlt-1 with birth weight

N VEGF median(IQR) P sFlt-1 median(IQR) P
BW group:
≤1000g 25 50.3 (35.8, 105.7) 0.88 1000 (371.8, 1627.2) 0.01
1001–1500g 28 57.9 (39.3, 174.3) 663.1 (333.6, 1283.7)
1500–2000g 34 54.2 (36.1, 149.0) 632.4 (341.5, 1046.0)
>2000g 36 85.0 (23.5, 272.5) 399.0 (192.8, 940.5)
BW percentiles:
<25th 32 41.2 (29.3, 62.4) 0.003 856.1 (419.8, 2123.9) 0.01
25–49th 24 48.4 (34.1, 89.8) 879.4 (333.6, 1258.0)
50–74th 42 108.4 (39.6, 355.0) 402.2 (260.9, 1072.0)
≥75th 25 58.0 (40.2, 344.5) 530.5 (274.8, 724.2)
*

P-trend calculated using Wilcoxon rank-sum non-parametric tests across ordered groups (nptrend).