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When it comes to some of the other iOS app options, I spotted a few other missing items, as well.
In addition, when computing scale means, we excluded those who had two or more missing items as well as those who indicated that the procedure was not offered.
For those with up to 30% missing responses, we imputed a score for the missing items as the average of the remaining items of the questionnaire.
Analysis without these outliers reduces the missing data even further, especially the number of missing items as all questionnaire items were missing for these patients.
When calculating the MCAS score, we imputed values for missing items as the participant average of the available items when the total number of missing items was 4 or less, and then summed the items.
When calculating the BPRS score, we imputed values for missing items as the average of the available items when the total number of missing items was 2 or less, and then summed the items.
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The girl had transcribed the missing item as "Chuckles for England".
Where individual items were missing within two measures reported as categorical data the 15 item geriatric depression scale 18 and the standardised mini-mental state examination 19 we compared scoring the missing item as zero or the maximum possible for that item with data retained only if a participant was classified in the same category in either case.
Where individual items were missing within the SMMSE we compared scoring the missing item as zero or the maximum possible for that item with data retained only if a participant was classified in the same category (<10, 10+) in either case.
And there are a few missing items, such as creation of a credible independent budget monitor along the lines of the Congressional Budget Office.
At some health facilities elective surgery had been cancelled because of missing items such as gloves and suturing equipment and at other facilities patients were told to buy and bring gloves in order to make the surgery possible.
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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