From: Of gastro and the gold standard: evaluation and policy implications of norovirus test performance for outbreak detection
N
Submitted
Number RT2-PCR Positive
Proportion (95% C.I.)
All RT 2 -PCR Positive Outbreaks
367
1166
757
0.65 (0.62–0.68)
EM Positive Outbreaks
158
602
350
0.58 (0.54–0.62)
EM Negative Outbreaks
209
564
407
0.72 (0.68–0.76)