Table 3.

Mean cord blood cytokine concentrations in preterm births with and without exposure to antenatal steroids

	n	Mean ± SD **	Crude		Adjusted *
			ß (SE)	p	ß (SE)	p
Log(IL1β)
No Steroids	100	61.7 ± 164.1	Ref		Ref
Steroids	100	83.3 ± 190.1	0.215(0.142)	0.130	-0.029(0.151)	0.848
Log(IL6)
No Steroids	100	385.9 ± 1077.4	Ref		Ref
Steroids	100	670.8 ± 1354.7	0.502(0.273)	0.066	-0.263(0.266)	0.324
Log(IL8)
No Steroids	100	193.3 ± 652.8	Ref		Ref
Steroids	100	336.2 ± 819.1	0.592(0.241)	0.014	-0.161(0.224)	0.473
Log(IL4)
No Steroids	100	7.1 ± 5.4	Ref		Ref
Steroids	100	7.6 ± 9.9	-0.093(0.099)	0.350	-0.037(0.109)	0.732
Log(IL10)
No Steroids	100	491.0 ± 393.1	Ref		Ref
Steroids	100	567.6 ± 620.2	-0.124(0.264)	0.640	-0.230(0.286)	0.422
Log(TGFβ)
No Steroids	100	157.0 ± 119.3	Ref		Ref
Steroids	100	141.7 ± 114.1	-0.1(0.129)	0.436	0.025(0.141)	0.858
Log(BDNF)
No Steroids	100	2271.7 ± 1918.0	Ref		Ref
Steroids	100	2324.8 ± 2633.4	-0.218(0.141)	0.122	-0.043(0.153)	0.779
Log(NT3)
No Steroids	100	133.3 ± 173.0	Ref		Ref
Steroids	100	145.3 ± 261.8	-0.04(0.227)	0.860	0.291(0.242)	0.229
Log(NT4)
No Steroids	100	25.9 ± 15.6	Ref		Ref
Steroids	100	24.7 ± 22.7	-0.066(0.106)	0.535	-0.035(0.117)	0.763

^*Adjusted for 1 minute Apgar ≤ 3, gestational age and placental inflammation.

^**Mean ± SD for original cytokine concentration prior to log transformation for modeling.