Table 2 Comparison of test performance in mumps positive patients tested by more than one testing modality
From: Laboratory testing and phylogenetic analysis during a mumps outbreak in Ontario, Canada
Positive mumps test (denominator) | Comparator test positivity (numerator) | |||||
|---|---|---|---|---|---|---|
| Â | Buccal rRT-PCR | Urine rRT-PCR | Any rRT-PCR | Any virus culture | IgM | IgG seroconversion |
Buccal rRT-PCR positive | Â | 14/27 (51.9%) | 33/33 (100%) | 29/33 (87.9%) | 8/24 (33.3%) | 4/23 (17.4%) |
Urine rRT-PCR positive | 14/17 (82.4%) | Â | 19/19 (100%) | 15/18 (83.3%) | 8/14 (57.1%) | 3/25 (12.0%) |
Any rRT-PCR positive | 33/40 (82.5%) | 19/36 (52.8%) | Â | 37/45 (82.2%) | 13/31 (41.9%) | 6/30 (20.0%) |
Any virus culture positive | 29/33 (87.9%) | 15/29 (51.7%) | 37/39 (94.9%) | Â | 9/27 (33.3%) | 4/30 (13.3%) |
IgM positive | 8/16 (50.0%) | 8/14 (57.1%) | 13/19 (68.4%) | 9/17 (52.9%) | Â | 10/90 (11.1%) |
IgG seroconversion | 4/8 (50.0%) | 3/10 (30.0%) | 6/10 (60%) | 4/9 (44.4%) | 10/23 (43.5%) | Â |