Table 2. BU cases diagnosed by clinical specimen.
| Swab | FNA | Biopsy | ||||
|---|---|---|---|---|---|---|
| Year | ZN [N (%)] | PCR [N (%)] | ZN [N (%)] | PCR [N (%)] | ZN [N (%)] | PCR [N (%)] |
| 2008 | 6/35 (17.1) | 19/35 (54.3) | 1/7 (14.3) | 3/7 (42.8) | - | - |
| 2009 | 26/53 (49.1) | 40/53 (93.0) | 2/7 (28.6) | 5/7 (71.4) | 2/3 (66.7) | 3/3 (100) |
| 2010 | 165/419 (39.4) | 248/419 (59.2) | 15/74 (20.3) | 32/74 (43.2) | - | - |
| 2011 | 121/484 (25.0) | 250/484 (51.7) | 6/124 (4.8) | 76/124 (61.3) | 0/1 (0.0) | 1/1 (100) |
| 2012 | 48/272 (17.6) | 119/272 (43.8) | 11/58 (18.9) | 17/58 (29.3) | ||
| 2013 | 34/232 (14.6) | 98/232 (36.0) | 8/44 (18.2) | 16/44 (36.4) | 1/6 (16.7) | 3/6 (50.0%) |
| 2014 | 24/209 (11.5) | 48/209 (22.9) | 3/43 (6.9) | 9/43 (20.9) | 1/1 (100) | 1/1 (100) |
| 2015 | 14/149 (9.4) | 22/149 (14.7) | 0/21(0.0) | 2/21 (9.5) | - | - |
| 2016 | 3/42 (7.1) | 7/42 (16.6) | 0/6 (0.0) | 0/6 (0.0) | - | - |
| Total | 441/1895 (23.3) | 852/1895 (44.9) | 46/384 (11.9) | 160/384 (41.7) | 4/11 (36.4) | 8/11 (72.7) |