Volume 24, Number 11—November 2018
Synopsis
Epidemiology of Buruli Ulcer Infections, Victoria, Australia, 2011–2016
Table 4
Demographic and clinical data and management strategies for Buruli ulcer case-patients, by resident status, Victoria, Australia, 2011–2016*
Characteristic |
Residents | Nonresidents | Overall |
|||||
---|---|---|---|---|---|---|---|---|
All |
BP |
MP |
p value† |
All |
p value‡ |
|||
Total no. cases |
369 |
146 |
151 |
221 |
600 |
|||
Age, y | ||||||||
Median (IQR) | 58 (38–71) | 55 (33–71) | 59 (40–71) | 0.7081 | 44 (24–65) | <0.0001 | 54 (31–9) | |
<15 | 32 (8.7) | 11 (7.5) | 13 (8.6 | 39 (17.6) | 72 (12) | |||
15–60 | 168 (45.5) | 72 (49.3) | 65 (43) | 110 (49.8) | 285 (47.5) | |||
>6 |
169 (45.8) |
63 (43.2) |
73 (48.3) |
0.555 |
72 (32.6) |
<0.0001 |
243 (40.5) |
|
Sex | ||||||||
M | 213 (57.7) | 79 (54.1) | 94 (62.3) | 124 (56.1) | 258 (43) | |||
F |
156 (42.3) |
67 (45.9) |
57 (37.7) |
0.155 |
97 (43.9) |
0.701 |
342 (57) |
|
Year of diagnosis, total no. | 369 | 146 | 151 | 221 | 600 | |||
2011 | 57 (15.4) | 43 (29.5) | 4 (2.6) | 23 (10.4) | 80 (13.3) | |||
2012 | 46 (12.5) | 34 (23.3) | 4 (2.6) | 29 (13.1) | 77 (12.8) | |||
2013 | 38 (10.3) | 16 (11) | 13 (8.6) | 25 (11.3) | 65 (10.8) | |||
2014 | 52 (14.1) | 24 (16.4) | 16 (10.6) | 34 (15.4) | 89 (14.8) | |||
2015 | 77 (20.9) | 18 (12.3) | 46 (30.5) | 29 (13.1) | 107 (17.8) | |||
2016 |
99 (26.8) |
11 (7.5) |
68 (45) |
<0.0001 |
81 (36.7) |
182 (30.3) |
||
WHO category, total no. | 305 | 118 | 127 | 208 | 523 | |||
I | 251 (82.3) | 102 (86.4) | 103 (81.1) | 156 (70.6) | 415 (79.3) | |||
II | 35 (11.5) | 13 (11) | 15 (11.8) | 35 (15.8) | 71 (13.6) | |||
III |
19 (6.2) |
3 (2.5) |
9 (7.1) |
0.338 |
17 (7.7) |
0.129 |
37 (7.1) |
|
Median time to seeking healthcare, d (IQR) | 28 (14–60) | 21 (14–42) | 28 (14–60) | 0.1853 | 30 (14–60) | 0.5253 | 28 (14–60) | |
Median time to diagnosis, d (IQR) |
48 (27–94) |
34 (22–62) |
51 (29–95) |
0.0016 |
79 (48–123) |
<0.0001 |
63 (35–109) |
|
Treatment, total no. | 301 | 124 | 129 | 206 | 517 | |||
Antimicrobial drugs only | 208 (69.1) | 90 (72.6) | 86 (66.7) | 115 (55.8) | 328 (63.4) | |||
Surgery only | 17 (5.6) | 7 (5.6) | 5 (3.9) | 10 (4.9) | 27 (5.2) | |||
Antimicrobial drugs and surgery |
76 (25.2) |
27 (21.8) |
28 (21.7) |
0.844 |
81 (39.3) |
0.003 |
162 (31.3) |
|
Surgical treatment, total no. | 78 | 27 | 27 | 83 | 165 | |||
Debridement | 27 (34.6) | 13 (48.1) | 10 (37) | 26 (31.3) | 54 (32.7) | |||
Narrow excision | 26 (33.3) | 6 (22.2) | 10 (37) | 24 (28.9) | 53 (32.1) | |||
Wide excision | 25 (32.1) | 8 (29.6) | 7 (25.9) | 0.482 | 33 (39.8) | 0.592 | 58 (35.2) |
*Values are no. (%) patients except as indicated. BP, Bellarine Peninsula; IQR, interquartilie range; MP, Mornington Peninsula; WHO, World Health Organization.
†p value provides comparison between Bellarine Peninsula residents and Mornington Peninsula residents.
‡p value provides comparison between all residents and nonresidents.
1Joint senior authors.