Table 2. IgM ELISA and PCR results for 78 patients with suspected chikungunya fever, Bhutan, 2012*.
| District, patient sex, no. patients | IgM ELISA† |
Nested reverse transcription PCR‡ |
||||
|---|---|---|---|---|---|---|
| No. positive/no. tested (%) | No. negative/no. tested (%) | No. not tested/no. total (%) | No. positive/no. tested (%) | No. negative/no. tested (%) | ||
| Chuka§ | ||||||
| F, n = 6 | 0/6 | NA | NA | |||
| 6/6 (100) | 2/6 (33) | 4/6 (67) | ||||
| M, n = 10 | 0/10 | NA | NA | |||
|
|
|
10/10 (100) |
|
|
3/10 (30) |
7/10 (70) |
| Samtse¶ | ||||||
| F, n = 25 | 1/24 (4) | 0/1 | 1/1 (100) | |||
| 23/24 (96) | 12/23 (52) | 11/23 (48) | ||||
| 1/25 (4) | 1/1 (100) | 0/1 | ||||
| M, n = 34 | 6/32 (19) | 4/6 (67) | 2/6 (33) | |||
| 26/32 (81) | 9/26 (35) | 17/26 (65) | ||||
|
|
|
|
2/34 (6) |
|
0/2 |
2/2 (100) |
| Thimphu‖ | ||||||
| F, n = 1 | 0/1 | NA | NA | |||
| 1/1 (100) | 0/1 | 1/1 (100) | ||||
| M, n = 2 | 1/2 (50) | 0/1 | 1/1 (100) | |||
|
|
|
1/2 (50) |
|
|
1/1 (100) |
0/1 |
| Total | 8/75 (11) | 67/75 (89) | 3/59 (5) | 32/78 (41) | 46/78 (59) | |
*NA, not applicable. †Results reported by the Public Health Laboratory, Department of Public Health, Ministry of Health, Thimphu, Bhutan. ‡Results reported by the Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand. §Mean age for female patients was 28.1 y; mean age for male patients was 26.5 y. ¶Mean age for female patients was 28.8 y; mean age for male patients was 28.7 y. ‖Mean age for female patients was not reported; mean age for male patients was 31 y.