Effectiveness and Safety of Levothyroxine Tablets Combined with Iodine-131 in the Treatment of Thyroid Cancer

Table 4

Comparison of serum Tg and TgAb levels before and after treatment (x ± s).

Group	Cases	Tg (ng/ml)		TgAb (IU/ml)
		Preoperation	Postoperation	Preoperation	Postoperation
Observation group	35	157.34 ± 20.51	134.28 ± 15.21	1163.72 ± 230.45	1034.24 ± 168.73
Control group	35	158.21 ± 20.33	104.39 ± 18.91	1162.87 ± 229.78	841.15 ± 139.61
t	—	−0.178	7.287	0.015	5.216
	—	0.859	＜0.001	0.988	＜0.001