Seven-year retrospective study understanding the latent TB infection treatment cascade of care among adults in a low incidence country

Table 1 Demographic characteristics of patients (n = 2207 individuals) with consultation at the TB clinic between January 1, 2010 and November 30, 2016 by treatment location

	All patients (n = 2207)	Patients followed by TB Clinic (n = 1935)	Patients followed by Primary Care Team (n = 272)
Characteristics
Males	951 (43.1%)	826 (42.7%)	125 (46.0%)
Females	1256 (56.9%)	1109 (57.3%)	147 (54.0%)
Age (years)^a
Median	42 (IQR 30-53)
Mean (range)	42.5 (15-90)	42.6 (15-90)	42.1 (17-76)
<18	16 (0.7%)	15 (0.8%)	1 (0.4%)
18-65	2002 (90.7%)	1751 (90.5%)	251 (92.3%)
>65	189 (8.6%)	169 (8.7%)	20 (7.4%)
Reason for referral to TB Clinic
Employment screening ^b	735 (33.3%)	634 (32.8%)	101 (37.1%)
Rule out active TB disease^c	576 (26.1%)	516 (26.7%)	60 (22.1%)
Contact tracing^d	441 (20.0%)	388 (20.0%)	53 (19.5%)
Immunosuppressive therapy^e	310 (14.0%)	255 (13.2%)	55 (20.2%)
Immigration screen^f	145 (6.6%)	142 (7.3%)	3 (1.1%)

^aAge of the individual at the initial consultation. ^bRoutine TB screening required for employment or Health Science students who required LTBI screening for their program (i.e. medical students and nursing students). ^cIndividuals referred by another physician to rule out active TB disease. ^dPatient in contact with an active TB patient. ^eReferred before starting immunosuppressive therapy including (i.e. prior to biologics, dialysis, chemotherapy or transplant). ^fReferred following routine immigration screening

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