When sample size is tiny, outcomes rare and clinical pictures fuzzy-Practical ways to survive statistical pitfalls

Affiliations

• ¹ Department of Medical Biochemistry, Department of Biochemistry and Immunochemistry, Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland.
• ² Physiotherapy Research Laboratory, University Centre of Physiotherapy and Rehabilitation, Faculty of Physiotherapy, Wroclaw Medical University, Wroclaw, Poland.
• ³ Department of Orthopaedics, Sahlgrenska University Hospital, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden.
• ⁴ Istanbul Fatih Sultan Mehmet Training and Research Hospital, Department of Orthopaedics and Traumatology, University of Health Sciences, Istanbul, Turkey.
• ⁵ Center of Orthopaedics and Traumatology, University Hospital Brandenburg/Havel, Brandenburg Medical School Theodor Fontane, Havel, Brandenburg, Germany.
• ⁶ Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Brandenburg a.d.H., Germany.