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Journal Articles


Kristensen PK, Mor A, Thillemann TM, Johnsen SP, Pedersen AB. Is the higher mortality among men with hip fracture explained by sex-related differences in quality of in-hospital care? A population-based cohort study Age Ageing. 2016 Dec 7

Kristensen PK, Thillemann TM, Søballe K, Johnsen SP. ” Are process performance measures associated with clinical outcomes among patients with hip fractures? - A population-based cohort study. International Journal for Quality in Health Care 2016 Sep 2.

Kristensen PK, Thillemann TM, Pedersen AB, Søballe K, Johnsen SP "Socioeconomic inequality in patient outcome among hip fracture patients:  A population-based cohort study" Osteoporos Int. 28(4), 1233-1243

Kristensen PK, Johnsen SP. “Centralisation efforts to improve the quality of care and reduce the costs in healthcare systems” in the book Researching Patient Safety and Quality in Health Care: A Nordic Perspective. Aase K, Schibevaag L. Taylor and Francis Group (CRC Press)

Kristiansen NS, Kristensen PK, Nørgård BM, Mainz J, Johnsen SP. Off-hours admission and quality of hip fracture care: A nationwide cohort study of performance measures and case fatality. International Journal for Quality in Health Care 2016 28:324-31

Kristensen PK, Thillemann TM, Søballe K, Johnsen SP. Can improved quality of care explain the success of the orthogeriatric units? A population based study. Age Ageing 2016 45:66-71

Christensen HK, Kristensen T, Andersen MK, Lykkegaard J. (2016). Frailty characteristics and preventive home visits: an audit on elderly patients in Danish general practice. Family practice.


Godown J, Harris MT, Burger J, Dodd DA. Variation in the use of surveillance endomyocardial biopsy among pediatric heart transplant centers over time. Pediatric Transplant. 2015 Sep;19(6):612-7

Vestergaard AH, Christiansen CF, Nielsen H, Christensen S, Johnsen SP. Geographical variation in use of intensive care: a nationwide study. Intensive Care Med 2015;41:1895-902.


Kristensen PK, Thillemann TM, Johnsen SP. Is bigger always better? A nationwide study of hip fracture unit volume, 30-day mortality, quality of in-hospital care and length of hospital stay. Medical Care 2014 52:1023-9