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 timeAdjusted Standardized betaStandard error value

Time independent of test variable
Day 0
 ALT10.2%0.3530.3280.025
Day 30
 ALT16.1%0.4280.7150.007
Day 6051.6%
 AST1.0270.134<0.0001
 ALT −0.430 0.1620.023