Table 1 Baseline characteristics of the patients, by aminoglycoside exposure

Age (years): mean ± SD

35.69 ± 9.56

36.47 ± 11.57

P = 0.85

Body weight (kgs): mean ± SD

49.58 ± 8.83

50.76 ± 12.0

P = 0.77

Sex:

 Male, n (%)

32 (63 %)

166 (55 %)

P = 0.47

 Female, n (%)

19 (37 %

136 (45 %)

HIV co-infection: n (%)

25 (49 %)

139 (46 %)

P = 0.53

DR-TB site:

 Katutura

0

46 (15 %)

 Oshakati

1 (2 %)

65 (22 %)

P < 0.001

 Rundu

0

67 (22 %)

 Walvis Bay

50 (98 %)

124 (41 %)

Reporting period:

 2004–2009, n (%)

45 (88 %)

48 (16 %)

P < 0.001

 2010–2011, n (%)

4 (8 %)

61 (20 %)

 2012, n (%)

1 (2 %)

112 (37 %)

 2013–2014, n (%)

0

80 (27 %)

 Missing, n (%)

1 (2 %)

1 (0.3 %)