Multidrug-resistant tuberculosis transmission among middle school students in Zhejiang Province, China

Table 1 Patients’ demographic and baseline characteristics

Code of Patient	Age^a	Sex	Relationship	Complains of TB symptoms	Diagnostic time	Discovery delay^b	Resistant pattern^c	TST^d	Treatment outcome
N1	74	Male	Neighbor	15 February 2011	21 April 2011	–	–	–	Failure
N2	61	Male	Neighbor	18 January 2012	18 February 2012	–	H/R/E/S	–	Failure
N3	64	Male	Neighbor	27 September 2013	9 October 2013	–	–	–	Failure
N4	59	Female	Neighbor	18 June 2015	15 July 2015	–	–	–	Failure
Index patient (Xu)	16	Female	–	1 March 2014	8 April 2014	37 days	H/R/E/S	–	Cure
P1 (Zhao)	15	Male	Classmates	15 January 2016	2 April 2016	77 days	H/R/E/S	Negative	Cure
P2 (Jiang)	16	Female	Classmates	12 March 2016	5 April 2016	23 days	H/R/E/S	Negative	Cure
P3 (Zhang)	17	Female	Classmates	1 December 2016	21 February 2017	81 days	H/R/E/S	Negative	Cure

^aThe record of the age of the patient was at the diagnostic time
^bDiscovery delay refers to the days between the time of diagnosis and symptoms
^cAbbreviations: H isoniazid, R rifampicin, E ethambutol, S streptomycin, N1, N3, and N4 without DST results
^dTST, tuberculin skin test; index patient, N1, N3, and N4 had no accepted TST test
-: not applicable

ISSN: 2049-9957