Table 2.

Antigen and Mitogen-Stimulated Cord Lymphocyte Proliferation Shown as SI

Lymphocyte proliferation response (SI)	No. of participants	Minimum	25th percentile	50th percentile	75th percentile	Maximum
Bla g 2	374	0.34	0.98	1.31	1.95	12.19
SI >2	91
SI ≤2	283
Der f 1	374	0.34	1.13	1.69	2.99	19.45
SI >2	146
SI ≤2	228
Ovalbumin	427	0.50	0.97	1.09	1.40	12.44
SI >2	52
SI ≤2	375
Phytohemagglutinin	427	1.15	20.24	39.42	71.22	458.86
SI >40	213
SI ≤40	214

Abbreviation: SI, ratio of mean counts per minute of stimulated lymphocytes divided by mean counts per minute of unstimulated lymphocytes.