Table 2.

Results of ELISA test for Mycobacterium tuberculosis complex

Variable	n	Mean titer	SD	P-value	Significance
IgM					Significant
At admission	27	0.9293	0.5269	0.001
1-month postop	27	0.6413	0.3077
3-months postop	27	0.5103	0.2547
IgG					Significant
At admission	27	0.2974	0.1009	0.001
1-month postop	27	0.3027	6.6287
3-months postop	27	0.3341	8.2005