Scientific Reports

Table 1 Data on sputum smear results, Diabetes mellitus and OSP results

From: Detection of Mycobacterium tuberculosis DNA on the oral mucosa of tuberculosis patients

Subject pair	Xpert Positive Cases¹					Matched healthy controls
Subject pair	Sputum Smear Results	DM²	OSP³, Sample A	OSP, Sample B	OSP, Sample C	OSP, Sample A	OSP, Sample B	OSP, Sample C
1	+		Negative*	+*	+	Negative	Negative*	Negative
2	ND⁴		Negative*	+	+	Negative	Negative	Negative
3	Negative	+	Negative*	Negative*	Negative*	Negative	Negative	Negative
4	Negative	+	Negative*	Negative*	Negative*	Negative	Negative	Negative
5	Negative		+	+	+	Negative	Negative	Negative
6	Negative	+	+*	Negative*	+*	Negative*	Negative	Negative*
7	+++		+	+	+	Negative	Negative	Negative
8	+++		+	+	+	Negative	Negative	Negative
9	+++		+	+	+	Negative	Negative	Negative
10	+		+	+	Negative*	Negative	Negative	Negative
11	+++		+	+	+	Negative	Negative	Negative
12	++		+*	+	Negative*	Negative*	Negative	Negative
13	Negative		Negative*	+	+	Negative	Negative	Negative
14	ND	+	+	+	+	Negative	Negative	Negative
15	Negative		Negative*	+	+	Negative	Negative	Negative
16	+++		+*	+*	+*	Negative*	Negative*	Negative*
17	Negative		Negative*	+*	+	Negative	Negative*	Negative
18	ND		+	Negative*	+	Negative	Negative	Negative
19	+++		+	+	+	Negative	Negative	Negative
20	++		Negative*	+	+	Negative	Negative	Negative

¹All 20 case subjects were positive by GeneXpert testing and clinical assessment and were subsequently treated for tuberculosis.
²DM, Diabetes mellitus. Cases 3, 4, 6 and 14 were in treatment for DM. Other cases were presumed DM-negative.
³For OSP, results of partial volume analysis are shown except values marked by asterisk (*), which are the full volume analysis conducted after partial results were negative. Negative results had Cq > 45.
⁴ND, not determined.

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