Preoperative smoking was found to be associated with an increased risk of the following postoperative complications: general morbidity, wound complications, general infections, pulmonary complications, neurological complications, and admission to the intensive care unit.

Preoperative alcohol consumption was associated with an increased risk of general postoperative morbidity, general infections, wound complications, pulmonary complications, prolonged stay at the hospital, and admission to intensive care unit.

The aim of this paper is to systematically review the available scientific publications published concerning the association between the sense of coherence (SOC), designed by Aaron Antonovsky (1923-1994), measured with the scales SOC-29 or SOC-13, and different aspects of health. The study is descriptive and integrates more than 50 scientific publications. The results are divided into the categories: Physical health; biological measures; psychological measures; health measures incorporating psychological aspects; stress; and behavioural aspects. The conclusion from this review is that SOC is highly associated with psychological aspects, including stress and behavioural aspects when SOC is operationalized with the prevailing scales. However, we were unable to show a strong association between SOC and physical health that Antonovsky had predicted. Therefore, we conclude that the SOC scale can only serve as a predictor for health that is measured by incorporating psychological aspects, while it is not capable of explaining physical health that is measured only by means of physical terms.

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