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Table 2 Kruskal-Wallis-Test

From: Increasing efficiency by optimizing table position for elective primary THA and TKA: a prospective monocentric pilot study

variable / question items p-value (knee) p-value (hip)
manageability 0.022 0.126
ergonomics 0.017 0.243
visibility 0.261 P < 0,001
available space 0.003 0.356
Walking distance 0.004 0.197
hygiene 0.009 0.73
satisfaction 0.001 0.42
  1. - questionnaire: comparison of 4 occupational groups (surgeon, scrub nurse, non-sterile nurse, the first assistant)
  2. - statistical test procedure: use of non-parametric Kruskal-Wallis test
  3. - marked yellow: The difference between the 4 groups was significant (p < 0.05)
  4. - data: ordinal scale level, i.e., indicate only medians
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