Table V.

Serum levels of TGF-β, IFNγ and IL-4 and IFNγ/IL-4 ratio (mean ± SD).

Variable	Group A	Group B	Group C	F	P-value
TGF-β (ng/ml)
T1	2.34±0.51	2.21±0.36	2.36±0.58	1.37	0.26
T2	1.76±0.34	1.62±0.42	1.49±0.44a	5.63	<0.001
t	6.69	7.54	8.45
P-value	<0.001	<0.001	<0.001
IFNγ (ng/ml)
T1	130.33±6.82	131.13±5.12	128.92±4.19	2.08	0.12
T2	151.44±4.08	146.41±5.11a	178.92±6.91a,b	20.60	<0.001
t	18.78	14.94	43.75
P-value	<0.001	<0.001	<0.001
IL-4 (ng/ml)
T1	34.92±6.78	35.43±6.11	34.96±5.78	0.10	0.90
T2	44.44±5.31	46.11±4.781	46.11±5.22a,b	12.21	<0.001
t	5.35	6.09	10.12
P-value	<0.001	<0.001	<0.001
IFNγ/IL-4
T1	1.11±0.42	1.13±0.71	1.15±0.99	3.29	0.04
T2	2.78±0.48	2.86±0.32	2.91±0.33a	1.91	0.15
t	3.66	2.45	9.08
P-value	<0.001	0.01	<0.001

^aP<0.05 vs. group A

^bP<0.05 vs. group B.