Table 2 Demographic and clinical characteristics of the study population (n = 165)

Age; years

Mean (SD)

55 (15)

Range

19—90

Gender

  Female

100 (61)

  Male

65 (39)

Preexisting medical conditions

  Respiratory

29 (18)

  Cardiovascular

60 (36)

  Neurological

15 (9)

  Renal

12 (7)

  Gastrointestinal

27 (16)

  Endocrinological

24 (15)

  Oncological

32 (19)

  Other

66 (40)

  Any medical condition

127 (77)

ASA physical status

  I

29 (18)

  II

99 (60)

  III

36 (21)

  IV

1 (1)

Extent of surgery

  Minor

48 (29)

  Intermediate

90 (55)

  Major

27 (16)

Type of surgery

  Neurosurgery

42 (25)

  General surgery

36 (22)

  Plastic surgery

21 (13)

  ENT or faciomaxillary

20 (12)

  Orthopedics

15 (9)

  Transplant surgery

13 (8)

  Urology

10 (6)

  Gynaecology

8 (5)

  Duration of surgery; min (range)

135 (95–187)

  PACU stay; min (range)

144 (106–208)

  Hospital stay; days (range)

2 (1–4)

Postoperative complications

  Any complication

11 (7)

  COPD exacerbation

1

  Postoperative bleeding

2

  Hypotension (vasovagal)

1

  Dural leak

1

  Opioid intoxication

1

  Residual paralysis

1

  Urinary retention

1

  PONV

2

  Anticoagulants during epidural analgesia

1