Table 2.

Multiple linear regression of GGT levels at day 0, day 30, and day 60 after starting initial phase anti-TB therapy.

Initial phase time	Adjusted R 2	Standardized beta	Standard error	P value
Time independent of test variable
Day 0
ALT	10.2%	0.353	0.328	0.025
Day 30
ALT	16.1%	0.428	0.715	0.007
Day 60	51.6%
AST		1.027	0.134	<0.0001
ALT		−0.430	0.162	0.023