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Table 1 Characteristics of the Patients in groups with or without complications

From: Perioperative poor grip strength recovery is associated with 30-day complication rate after cardiac surgery discharge in middle-aged and older adults - a prospective observational study

Characteristic

Normal (n = 176)

Complication (n = 36)

P

General characteristic

 Men (n,%)

68.3

65.4

0.746

 Age (y)

63.2 ± 6.6

64.4 ± 6.0

0.408

 BMI (kg/m2)

25.6 ± 3.2

25.6 ± 3.1

0.435

 Widow (%)

8.2

3.8

0.390

 Farmer (%)

37.3

25.6

0.358

 Live alone (%)

10

6.5

0.462

 EF (%)

55.3

57.9

0.158

 IPAQ

6994

6402

0.656

 Drink (%)

52.8

52.9

0.368

 Smoke (%)

32.9

38.5

0.089

 Grip (kg)

30.8 ± 9.1

31.2 ± 10.5

0.255

 Grip/Weight (kg/kg)

0.43 ± 0.11

0.45 ± 0.10

0.434

 4-m walking(m/s)

0.97 ± 0.21

0.95 ± 0.21

0.808

 EuroSCORE

2.15 ± 1.52

2.42 ± 1.58

0.235

Disease history

 Hypertension (%)

60.6

58.8

0.876

 Diabetes (%)

25.4

30.6

0.478

 Hyperlipidemia (%)

3.7

6.1

0.433

 Coronary heart disease (%)

35.4

40.9

0.492

Operative situation

 Type of surgery

  

0.129

  CABG (%)

71.9

70.6

 

  Aortic valve replacement (%)

12.7

18.6

 

 Non-aortic valve replacement (%)

7.2

5.8

 

  Other surgery

8.2

5.0

 

 Surgery time (h)

4.28 ± 1.78

4.67 ± 1.28

0.135

 Length of ICU staying (h)

44.3 ± 13.6

51.2 ± 23.6

0.007

 Assisted ventilation time (h)

12.2 ± 10.5

15.4 ± 15.6

0.094

 Drainage time (h)

72.7 ± 46.7

89.7 ± 53.8

0.063

Recovery situation

 Grip fluctuation (%)

100.2 ± 35.5

65.3 ± 22.3

< 0.001

 6MWD (m)

239.1 ± 102.1

204.8 ± 79.4

0.088

 Percentage of the estimated 6MWD (%)

46.4 ± 19.3

39.8 ± 14.4

0.081

 Heart rate recovery (%)

55.6 ± 23.3

54.4 ± 25.7

0.932

 Length of hospitalization time (day)

6.4 ± 2.4

6.6 ± 2.9

0.418

  1. BMI, body mass index; IPAQ, international physical activity questionnaire; EF, Left ventricular ejection fraction; 6MWD, 6 min walk distance
  2. Mean ± Standard deviation in all such values
  3. Obtained by using t-test for continuous variables and chi-square for variables of proportion