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. Author manuscript; available in PMC: 2018 Apr 6.
Published in final edited form as: J Reprod Immunol. 2017 Apr 6;120:20–26. doi: 10.1016/j.jri.2017.04.001

Figure 1. Percentage of samples with detectable levels of human milk cytokines.

Figure 1

The total number of samples tested was 440, including 223 colostrum and 217 mature milk samples. The frequency of detectability was significantly different between colostrum and mature milk for 6 cytokines: IL-12, P≤0.001; IL-4, P<0.001; IL-1ra, P<0.001; IFN-γ, P=0.01; IL-10, P=0.01; IL-2, P=0.02. Statistical significance was calculated using the Chi square test. * indicates P values <0.05.