Exact(3)
Twenty six of the 87 general population studies had the year of data collection missing.
Twenty five of the 46 direct or high risk population studies had the year of data collection missing.
The possible limitations of our study are: (1) because of the study design (retrospective cross-sectional study) we had no influence on data collection (missing data), and (2) not routinely performed DEXA measurements (selection bias).
Similar(57)
For example, due to flaws in the measurement systems and possible failure in data collection systems, missing values are unavoidable.
The facility medical staff will be questioned for doubts during data collection or missing information.
Follow-up data collection on missing information was not routinely performed.
We then applied this difference to the year of publication to estimate the year of data collection when missing.
For a while, the enterprise seemed to be at risk — Stanford withdrew its funding — but staff members from Tanzania continued the research in Goodall's absence; only one day of data collection was missed.
It is also possible that our data collection methods missed some surveillance-related expenditures.
For instance, Chen et al. [ 13] evaluated factors related to prior research visits (e.g., incomplete data collection and missed visits), and revealed significant associations with participant contact.
Due to no adult being at home during any of the four days of data collection, we missed 23 sample households.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com