Table 1.

Mean WBLogTREC/ml for five year cohorts of healthy controls (male and female combined) with descriptive statistics for each cohort

Age groups	n	Minimum	Maximum	Mean	Standard deviation
0–5	32	4.79	5.79	5.26	0.26
5.1–10	33	4.56	5.72	5.05	0.26
10.1–15	15	4.50	5.4	5	0.28
15.1–20	4	4.38	4.88	4.64	0.20
20.1–25	14	4.23	4.83	4.53	0.19
25.1–30	9	4.21	4.79	4.55	0.20
30.1–35	20	3.90	5.12	4.45	0.26
35.1–40	16	2.58	4.9	4.12	0.56
40.1–45	9	3.28	4.74	4.16	0.46
45.1–50	16	3.53	4.69	4.05	0.30
50.1–55	23	3.29	4.36	3.84	0.26
55.1–60	15	2.75	4.69	3.68	0.50
60.1–65	10	2.80	4.03	3.48	0.40
65.1–70	4	3.36	4.34	3.84	0.43

Data corresponds to values presented in Fig. 5.