Table 1 Patients demographics and clinical characteristics

Age (year)

50.2 (7.0)

Height (cm)

160.6 (6.9)

Weight (kg)

61.1 (9.4)

BMI (kg m^− 2)

23.7 (3.2)

Duration of surgery (min)

132.9 (48.4)

Anaesthetic management

/

 Midazolam induction (mg)

3.0 (0.8)

 Propofol induction (mg)

62.0 (10.3)

 Sufentanil induction (μg)

20.2 (2.7)

 Cis-atracurium (mg)

13.1 (1.9)

Maintenance drugs infusion rate

/

 Sevoflurane maintenance (Vol%)

1.7 (0.4)

 Propofol maintenance (mg•kg⁻¹ h⁻¹)

2.1 (0.3)

 Remifentanil (μg•kg⁻¹ h^− 1)

0.1 (0.04)

Additional drugs administrated when approaching the end of surgery

/

 Sufentanil (μg)

7.1 (3.2)

 Atropine (mg)

0.3 (0.1)

 Neostigmine (mg)

0.7 (0.2)