Table 4. Comparison of the first serum TSH values in different etiologies of permanent CH based on TS.

TS group	TSH ≥ 40*	F:M	20-39.9	F:M	TSH < 20	F:M	Total	F:M
Agenesis	4 (80)†	2:2	1 (20)	0:1	0 (0)	0:0	5 (100)	2:3
Dysgenesis	17 (85)	11:6	1 (5)	1:0	2 (10)	1:1	20 (100)	13:7
Normal	16 (57)	8:8	4 (14.3)	1:3	8 (25)	2:6	28 (100)	11:17
Total	37 (69.8)	21:16	6 (11.3)	2:4	10 (18.8)	3:7	53 (100)	27:26

^*mU/L;

^†percent of TSH group in each outcome.