Specific and Rapid Detection of Mycobacterium tuberculosis Complex in Clinical Samples by Polymerase Chain Reaction

Table 3

Comparison of PCR and smear methods for detection of mycobacterial infections.

Samples	Smear n (%)	PCR n (%)	P
Positive	26 (43.33)	42 (70)	0.030*
Negative	34 (56.66)	18 (30)

* P value < 0.05.