Clinical Study

Comparison of Overnight Pooled and Standard Sputum Collection Method for Patients with Suspected Pulmonary Tuberculosis in Northern Tanzania

Table 2

Comparison of overnight pooled and spot method of collection on quality and quantity of sputum.

MeasureCombination of spot and single morning specimen Overnight pooled value

Quantity (≥5 mls)37/100 (37%) 46/50 (92%)
Color92/100 (92%) 47/50 (94%)
Thick consistency66/100 (66%) 41/50 (82%)
Presence of blood11/100 (11%) 6/50 (12%)

values are similar if pooled is compared with spot or single morning specimen, thus we combined spot and single for this table.