Table 2. Serum levels (ng/ml) of C2C expressed as mean ± SD.

	D0	D30	D90	D180
D0	91.51 ± 45.25	P = 0.724	P = 0.169	P = 0.041
D30		82.94 ± 40.88	P = 0.353	P = 0.014
D90			66.14 ± 28.08	P = 0.158
D180				41.91 ± 25.51

P < 0.05 is considered statistically significant.