Table 2.

Comparison of sputum conversion after starting treatment in the studied patients based on the primary bacilli density

Primary bacilli density	Frequency	Mean±SD (month)	P value obtained from Kruskal-Wallis and Mann-Whitney tests
1+	25	1.32±0.56	P<0.001; Kriskal-Wallis test*
2+	21	1.71±0.85	P<0.001: 1+ and 3+
3+	39	2.56±1.12	P=0.004: 2+ and 3+

^*Significance at alpha=0.05