Table IV.

Results of the univariate meta-regression analysis on the heterogeneity of the determinants of different proportion of failure rate of azithromycin and other treatment strategies

Variables	Coefficient	Confidence interval 95%	p-value
Age (yr)	0.029	-0.512 to 0.572	0.910
Publication year (yr)	-0.025	-0.330 to 0.279	0.863
Follow-up (wk)	0.334	-0.822 to 1.490	0.554
Disease
Cervicitis	1	-	-
Urethritis	1.641	-5.527 to 8.809	0.631
Genital chlamydia	0.871	-0.258 to 2.001	0.115
Sample size	-0.002	-0.014 to 0.008	0.605