Incidence of tuberculosis among school-going adolescents in South India

BMC Public Health

Table 1 Characteristic features of definite and probable TB cases

SI.No	Participant ID	Surveillance	Visit (n)^a	Gender	Age (years)	BAZ^b	Smear^c	Culture^d	Symptoms^e				Past TB^e	Hx TB contact^{e, f}	Chest X Ray reult ^g	QFT Result^h	TST Value (mm)ⁱ	Person days of follow up
SI.No	Participant ID	Surveillance	Visit (n)^a	Gender	Age (years)	BAZ^b	Smear^c	Culture^d	Cough	Fever	Haemoptysis	Night sweats	Past TB^e	Hx TB contact^{e, f}	Chest X Ray reult ^g	QFT Result^h	TST Value (mm)ⁱ	Person days of follow up
1	12–104	Active	3	Male	17	Normal	2/2	2/2	+	-	-	-	-	+	3/3	Positive	16	706
2	20–116	Active	1	Female	16	Under weight	2/2	2/2	+	+	-	-	-	-	3/3	NA	15	472
3	33–266	Active	2	Male	15	Normal	2/2	2/2	+	-	-	-	-	-	3/3	Positive	24	718
4	42–107	Passive	1	Female	12	Under weight	2/2	2/2	+	-	+	-	-	-	3/3	NA	7	721
5	72–601	Active	1	Female	15	Under weight	2/2	2/2	+	+	-	+	-	-	3/3	Negative	5	711
6	23–061	Passive	1	Female	17	Normal	0/2	2/2	-	-	-	-	-	-	0/3	Positive	25	725
7	52–301	Passive	1	Female	15	Under weight	0/2	1/2	-	-	-	-	-	-	0/3	Positive	17	725
8	83–013	Passive	1	Female	15	Under weight	0/2	1/2	-	-	-	-	-	-	0/3	NA	23	706
9	37–404	Active	1	Female	15	Normal	0/2	0/2	-	-	-	-	-	-	3/3	Positive	10	706
10	37–430	Active	1	Male	16	Normal	0/2	0/2	-	-	-	-	-	+	3/3	Positive	19	732
11	40–310	Passive	1	Male	16	Under weight	0/2	0/2	-	-	-	-	-	-	3/3	NA	18	706
12	77–503	Active	1	Male	14	Normal	0/2	0/2	-	-	-	-	-	+	3/3	NA	20	729
13	87–155	Passive	1	Female	14	Normal	0/2	0/2	-	-	-	-	-	-	3/3	NA	13	722
14	26–101	Active	1	Male	12	Normal			-	-	-	-	-	-	3/3	Positive	22	710

^a The details in the table were corresponding to n ^th visit of the participant
^b BAZ body mass index for Age Z – score; WHO cut offs 2007, Growth reference 5–19 years; calculated using WHO – ANTHRO software (version 3.2.2); Underweight (<− 2), Overweight (> +1), Normal (−2 to +1)
^c 2/2 = two samples smears were positive for Acid fast bacilli of two samples, 1/2 = one sample positive of two, 0/2 = both samples were negative
^d 2/2 = two sputum samples had shown the isolation of Mycobacterium tuberculosis (M.tb) on Geno Type MTBC test kit (HAIN kit) of two samples; 1/2 = one sample had M.tb of two; 0/2 = both samples were negative for M.tb
^e Cumulative response of both parent and subject has been considered in case of history of past TB, TB exposure, Symptoms suggestive of TB
^f Recent contact with a TB case at least for 8 h a week; in the period of 3 months
^g 3/3 = Radiological evidence of TB - chest x-ray (posterior-anterior view) had been reported as abnormal for TB by three radiologists of three radiologists; 0/3 = No radiologists had reported chest X – ray abnormal for TB
^h QFT quantiferon, NA result Not available
ⁱ TST tuberculin skin test, the result value corresponds to the nearest one to the diagnostic ward (DGW) visit

ISSN: 1471-2458