Exact(5)
The accuracy of these provincial reports is unknown, and it is unclear whether the provinces shared common definitions -- the word "engineer" does not translate easily into many Chinese dialects.
The basis of these differences between the reports is unknown.
The extent to which measurement error may contribute to apparent heterogeneity among these reports is unknown, but it certainly should be considered as an explanation.
Fall incidents were self-reported and while this methodology in commonly used in cross-sectional studies, the effect of this reporting mechanism on reports is unknown.
Reports of socio-economic position by adults are assumed to be accurate but the accuracy of child reports is unknown [ 1, 2].
Similar(55)
Randomized clinical trials (RCTs) are uncommon in pediatric surgical specialties and the quality of reporting is unknown.
The provenance of the report is unknown.
Although the content of Mueller's report is unknown, it's safe to say that it will provide a dramatic coda to his nearly two years as special counsel.
Whether the use of a structured RQ is associated with better quality of reporting is unknown.
The level of screening for SDHA mutations, which have only recently been reported, is unknown.
In addition, how much increased local testing for A(H7N9) may have affected PUE reporting is unknown.
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