Table 1.

Patient characteristics

Characteristics	N
Gender
Male	10
Female	39
Mean height	170 cm (range 153–195 cm)
Mean weight	79 kg (range 40–120 kg)
Mean BMI	27.17 kg/m2 (range 16.6–43.0 kg/m2), with 34 patients overweight (BMI >25)
Mean age at operation	67 years (range 32–90 years)
Mean ASA-score	2.02 (range 1–3)