The Use of Xpert MTB/Rif for Active Case Finding among TB Contacts in North West Province, South Africa

Table 1

Comparison of household contacts characteristics and results following randomization to SLC or Xpert MTB/Rif test.

Variable	Sputum SLC screened	Sputum Xpert MTB/Rif screened	values (calculated from )
Households	393/768 (51.2%)	198/768 (25.8%)	<0.0001
Index patient, hospital	177/357 (49.6%)	92/357 (25.8%)	<0.0001
Jouberton township	315/863 (36.5%)	241/515 (46.8%)	0.0002
Gender, female	524/863 (60.7%)	318/515 (61.7%)	0.7046^∧
HIV positive	200/863 (23.2%)	90/515 (17.5%)	0.0120
Positive TB symptom screen	74/863 (8.6%)	40/515 (7.7%)	0.5985^∧
Smokers	146/863 (16.9%)	76/515 (14.8%)	0.2912^∧
Alcohol use	235/863 (27.2%)	122/515 (23.7%)	0.1466^∧
BMI < 18.5	305/863 (35.3%)	209/515 (40.5%)	0.0516^∧
Diabetes (>10 mmol/L)	12/863 (1.4%)	6/515 (1.2%)	0.7214^∧
New cases of TB	23/863 (2.7%)	8/515 (1.6%)	0.1782^∧

Significant; ^∧not significant.