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Table 1 Definition of probability, criticality and supervision levels

From: Neonatal nasogastric tube feeding in a low-resource African setting – using ergonomics methods to explore quality and safety issues in task sharing

Task attribute

Low

Medium

High

Probability

Never known to happen

Known to happen occasionally

Known to happen frequently

Criticality/risk

No risk of injury to patient if task is incorrectly done or missed

Risk of minor injury to patient if task is incorrectly done or missed

Risk of serious injury or death of patient if task is incorrectly done or missed

Supervisiona

Supervision done by the nurse for only part of the implementation process of the task

Supervision done by the nurse for about half of the implementation process of the task

Supervision done by the nurse for the entire implementation process of the task

  1. aDuring analysis, ‘low’ and ‘medium’ levels of supervision were combined into one category of ‘low/medium’