Volume 25, Number 3—March 2019
Synopsis
Cross-Border Movement of Highly Drug-Resistant Mycobacterium tuberculosis from Papua New Guinea to Australia through Torres Strait Protected Zone, 2010–2015
Table 2
Characteristics associated with Mycobacterium tuberculosis isolate clustering among Papua New Guinea residents, Torres Strait Protected Zone, 2010–2015*
Characteristic | No. clustered/total no. | OR (95% CI) | p value | aOR (95% CI)† | p value |
---|---|---|---|---|---|
Beijing lineage | 74/100 | ||||
No | 9/21 | Referent | Referent | ||
Yes |
65/79 |
6.190 (2.221–18.077) |
0.0005 |
4.484 (1.526–13.891) |
0.007 |
Age, y | |||||
<15 | 14/19 | Referent | Referent | ||
15–24 | 25/31 | 1.488 (0.369–5.841) | 0.565 | 1.298 (0.291–5.614) | 0.725 |
25–34 | 19/24 | 1.357 (0.320–5.783) | 0.673 | 1.242 (0.260–5.981) | 0.782 |
35–49 | 12/18 | 0.714 (0.166–2.955) | 0.641 | 0.722 (0.148–3.415) | 0.679 |
>50 |
4/8 |
0.357 (0.059–2.016) |
0.241 |
0.262 (0.035–1.785) |
0.173 |
Sex | |||||
F | 34/45 | Referent | Referent | ||
M |
40/55 |
0.862 (0.343–2.118) |
0.748 |
0.856 (0.311–2.284) |
0.757 |
Sputum smear | |||||
Negative | 32/46 | Referent | Referent | ||
Positive |
42/54 |
1.531 (0.624–3.808) |
0.352 |
1.147 (0.423–3.095) |
0.784 |
Case type | |||||
New case | 63/87 | Referent | Referent | ||
Recurrent |
11/13 |
2.095 (0.513–14.183) |
0.358 |
1.447 (0.270–11.282) |
0.684 |
Diagnostic delay, d | |||||
0–30 | 40/53 | Referent | Referent | ||
31–59 | 13/18 | 0.845 (0.260–3.033) | 0.784 | 1.042 (0.290–4.154) | 0.95 |
>60 |
21/29 |
0.853 (0.308–2.455) |
0.761 |
1.157 (0.380–3.743) |
0.799 |
MDR or XDR | |||||
No | 46/69 | Referent | Referent | ||
Yes |
28/31 |
4.677 (1.452–20.943) |
0.019 |
2.774 (0.779–13.123) |
0.143 |
Treatment outcome | |||||
Cure, treatment completed | 13/22 | Referent | Referent | ||
Transferred, lost to follow-up | 50/66 | 2.163 (0.767–6.006) | 0.138 | 1.794 (0.584–5.407) | 0.298 |
Defaulted | 2/3 | NA | NA | NA | NA |
Died | 9/9 | NA | NA | NA | NA |
*aOR, adjusted OR; MDR, multidrug resistant; NA, not applicable (large value); OR, odds ratio; XDR, extensively drug resistant.
†Adjusted for Beijing lineage and drug resistance (MDR or XDR).