| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T289 |
0-19 |
Sentence |
denotes |
Reference standards |
| T290 |
20-89 |
Sentence |
denotes |
We anticipated that studies would use a range of reference standards. |
| T291 |
90-289 |
Sentence |
denotes |
Although RT‐PCR is considered the best available test, due to rapidly evolving knowledge about the target conditions, multiple reference standards on their own as well as in combination have emerged. |
| T292 |
290-332 |
Sentence |
denotes |
We expected to encounter cases defined by: |
| T293 |
333-346 |
Sentence |
denotes |
RT‐PCR alone; |
| T294 |
347-412 |
Sentence |
denotes |
RT‐PCR, clinical expertise, and imaging (for example, CT thorax); |
| T295 |
413-474 |
Sentence |
denotes |
repeated RT‐PCR several days apart or from different samples; |
| T296 |
475-569 |
Sentence |
denotes |
plaque reduction neutralisation test (PRNT) or enzyme‐linked immunosorbent assay(ELISA) tests; |
| T297 |
570-619 |
Sentence |
denotes |
information available at a subsequent time point; |
| T298 |
620-696 |
Sentence |
denotes |
World Health Organization (WHO) and other case definitions (see Appendix 1). |
| T299 |
697-778 |
Sentence |
denotes |
This list is not exhaustive, and we recorded all reference standards encountered. |
| T300 |
779-970 |
Sentence |
denotes |
With a group of methodological and clinical experts, we are producing a ranking of reference standards according to their ability to correctly classify participants using a consensus process. |
| T301 |
971-1084 |
Sentence |
denotes |
We will use the ranking for informing the assessment of methodological quality in the next update of this review. |
