Table 2.

Serum MMP levels (ng/ml) in enrolled patient, evaluated several times. T0 24 hours before surgery; T1 24 hours after surgery; T2 6 months after surgery. Data are expressed as mean ± standard deviation

	MMP‐1	MMP‐2	MMP‐8	MMP‐9	MMP‐10
Group I
T0	4·9 ± 1·2	1325 ± 125	7·1 ± 2·6	135 ± 23	8·5 ± 2·3
T1	4·8 ± 1·3	1310 ± 112	7·1 ± 2·5	138 ± 25	8·4 ± 2·0
T2	4·5 ± 1·2	1250 ± 116	6·9 ± 2·6	137 ± 22	8·5 ± 2·1
Group II
T0	5·1 ± 2·2	1315 ± 145	7·2 ± 2·1	145 ± 31	8·3 ± 1·9
T1	5·1 ± 2·3	1300 ± 128	7·2 ± 2·3	141 ± 27	8·2 ± 2·1
T2	4·6 ± 2·2	1260 ± 121	6·9 ± 2·5	142 ± 25	8·3 ± 2·0
Group III
T0	3·2 ± 1·5	722 ± 185	1·7 ± 0·5	22 ± 9	2·9 ± 1·1
T1	3·4 ± 1·4	718 ± 179	1·5 ± 0·6	23 ± 11	2·9 ± 1·0
T2	3·1 ± 1·4	735 ± 198	1·6 ± 0·9	20 ± 8	2·7 ± 0·9

MMP, matrix metalloproteinases.