Table 4.

The average length (aa) of CDRs in the repertoires of neonates and adults.

CDR	Repertoire		Ta	d	p	95% CI
	CB	HH
CDR1	8.48 ± 0.85	8.42 ± 0.8	108.443	0.07	<2.2E−16	(0.059, 0.062)
CDR2	7.62 ± 0.64	7.47 ± 0.52	381.801	0.28	<2.2E−16	(0.154, 0.156)
CDR3	14.51 ± 3.33	15.48 ± 3.43	−432.565	0.29	<2.2E−16	(−0.978, −0.969)

CDR, the complementarity-determining region.

^aCalculated by Student’s t-test.