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Table 1 Patient characteristics

From: Association between diaphragmatic dysfunction after adult cardiovascular surgery and prognosis of mechanical ventilation: a retrospective cohort study

 

Total

(n = 153)

Diaphragmatic dysfunction (n = 49)

Normal

(n = 104)

Age (years)

70 (65–77)

70 (65–74)

69 (64–78)

Male

93 [60.8]

32 [66.0]

61 [58.7]

BMI, kg/m2

25.3 (22.8–27.0)

25.5 (22.6–26.9)

25.2 (22.8–27.0)

Urgency

   

Elective

96 [62.8]

32 [65.3]

64 [61.5]

Urgent

36 [23.5]

9 [18.4]

27 [26.0]

Emergency

20 [13.1]

8 [16.3]

12 [11.5]

Salvage

1 [0.7]

0 [0.0]

1 [1.0]

Operation time (min)

413 (331–490)

475 (413–525)

368 (318–454)

Blood loss (mL)

2000 (1500–2890)

2606 (1971–4323)

1815 (1365–2514)

Cardiopulmonary bypass

128 [83.7]

46 [93.9]

82 [78.8]

Operative procedure

   

CABG

61 [40.0]

11 [22.5]

50 [48.1]

Valve

32 [20.9]

12 [24.5]

20 [19.2]

Aorta

35 [22.9]

19 [38.8]

16 [15.4]

CABG + valve

13 [8.5]

6 [12.2]

7 [6.7]

CABG + aorta

1 [0.7]

0 [0.0]

1 [1.0]

Valve + aorta

7 [4.6]

1 [2.0]

6 [5.8]

Congenital heart

1 [0.7]

1 [2.0]

0 [0.0]

Other

3 [2.0]

0 [0.0]

3 [2.9]

ASA

   

ASA1

0 [0.0]

0 [0.0]

0 [0.0]

ASA2

15 [9.8]

5 [10.2]

10 [9.6]

ASA3

119 [77.8]

38 [77.6]

81 [77.9]

ASA4,5

19 [12.4]

6 [12.2]

13 [12.5]

EuroSCORE II

2.8 (1.6–5.4)

3.4 (2.2–4.9)

2.5 (1.6–6.0)

CCI

1 (1–3)

2 (0–4)

1 (1–3)

SOFA

7 (4–9)

8 (6–9)

6 (4–8.5)

Thoracic surgery

8 [5.2]

4 [8.2]

4 [3.9]

  1. Median (interquartile range [IQR]) or Number of persons [Percentage %], BMI body mass index, CPB cardiopulmonary bypass, CABG coronary artery bypass grafting, ASA American society of anesthesiologists, CCI Charlson comorbidity index, SOFA sequential organ failure assessment score