Skip to main content

Table 1 Characteristics of orthopedic surgery patients in this study

From: Low serum cholinesterase predicts complication risk after orthopedic surgery in elderly patients: an observational pilot study

  

Postoperative complications

 

Total

Yes

No

P value

Number

313

49

264

 

Age, years

 65–74 years

95

9

86

 

 75–89 years

171

26

145

0.011

 ≥ 90 years

47

14

33

 

Gender, female

221

29

192

0.062

BMI, kg/m2

 18.5–24.9 kg/m2

206

33

173

 

 < 18.5 kg/m2

39

12

27

0.004

 > 25.0 kg/m2

67

4

63

 

Comorbidities

 Anemia

37

10

27

0.054

 Hypertension

163

23

140

0.44

 Dyslipidemia

88

9

79

0.12

 Diabetes mellitus

48

7

41

1

 ASA class ≥ 3

104

27

77

< 0.001

 Glucocorticoids use

10

2

8

0.66

Organ impairment

 COPD requiring medication

1

0

1

1

 History of HF or IHD

25

8

17

0.038

 Liver failure

7

1

6

1

 ESRD

9

1

8

1

Operative indication

 Upper limb fracture

73

2

71

0.002

 Lower limb fracture

137

31

106

 Spinal/pelvic fracture

8

1

7

 Osteoarthritis

28

3

25

 Spinal surgery

28

6

22

 Others

39

6

33

Surgical procedure

 Operative time ≥ 2 h

58

9

49

1

 Bleeding volume ≥ 500 mL

13

3

10

0.44

 Emergency

20

3

17

1

Anesthetic procedure

 Spinal

15

3

12

0.71

 General

298

46

252

Postoperative analgesia

 Parenteral analgesics as needed

103

20

83

0.17

 Peripheral nerve blocks

151

18

133

 PCA

47

11

36

 PCA combined with nerve blocks

5

0

5

 Epidural analgesia

7

0

7

Perioperative blood transfusion

68

19

49

0.004

  1. Statistical comparisons were performed using the Fisher’s exact test. ASA American Society of Anesthesiologists, COPD chronic obstructive pulmonary disease, DM diabetes mellitus, eGFR estimated glomerular filtration rate, ESRD end-stage renal disease, HF heart failure, HTN hypertension, IHD ischemic heart disease, PCA patient-controlled analgesia