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Table 1 Demographic characteristics of included patients (n = 2303 individuals with 3173 tuberculin skin tests). TST = tuberculin skin test, SD = standard deviation

From: The latent tuberculosis infection cascade of care in Iqaluit, Nunavut, 2012–2016

 

All patients (n = 2303)

Diagnosed with latent tuberculosis infection (n = 439)

Diagnosed with active tuberculosis (n = 17)

Not diagnosed with latent or active tuberculosis (n = 1847)

Characteristic

 Age at first TST, mean (SD)

  Males

25.2 (17.1)

25.1 (17.7)

30.6 (18.7)

25.1 (16.9)

  Females

25.4 (15.6)

24.4 (16.5)

29.1 (19.5)

25.6 (15.3)

  Total

25.3 (16.3)

24.8 (17.1)

29.9 (18.5)

25.4 (16.0)

 Age at first TST, n (%)

   < 18 years

784 (34.0)

169 (38.5)

4 (23.5)

611 (33.1)

  18–35 years

919 (39.9)

157 (35.8)

4 (23.5)

758 (41.0)

   > 35 years

600 (26.1)

113 (25.8)

9 (52.9)

478 (25.9)

 Sex, n (%)

  Male

1065 (46.2)

224 (51.0)

9 (52.9)

832 (45.0)

  Female

1238 (53.8)

215 (49.0)

8 (47.1)

1015 (55.0)

 Ethnicity, n (%)

  Inuit

1220 (53.0)

290 (66.1)

16 (94.1)

914 (49.5)

  Non-Inuit

658 (28.6)

90 (20.5)

0 (0)

568 (30.8)

  Unknown

425 (18.5)

59 (13.4)

1 (5.9)

365 (19.8)

 Number of TSTs performed, n (%)

  1

1684 (73.1)

344 (78.4)

16 (94.1)

1324 (71.7)

  2

441 (19.1)

74 (16.9)

1 (5.9)

366 (19.8)

  3

128 (5.6)

17 (3.9)

0 (0)

111 (6.0)

   > 3

50 (2.2)

4 (0.9)

0 (0)

46 (2.5)

 TST Result, n (%)

  Ever positive

456 (19.8)

439 (100)

17 (100)

0 (0)

  Never positive

1847 (80.2)

0 (0)

0 (0)

1847 (100)