Non-respondents do not bias outcome assessment after cervical spine surgery: a multicenter observational study from the Norwegian registry for spine surgery (NORspine).
Tor IngebrigtsenGrethe AuneMartine Eriksen KarlsenSasha GulatiFrode KolstadØystein P NygaardAnette Moltu ThyrhaugTore K SolbergPublished in: Acta neurochirurgica (2022)
The results indicate that patients lost to follow-up were missing at random. Analyses of outcomes based on data from respondents can be considered representative for the complete register cohort, if patient characteristics associated with attrition are controlled for.
Keyphrases
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- metabolic syndrome
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