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Table 2 Characteristics of the 60 study participants

From: Coronary microvascular function in male physicians with burnout and job stress: an observational study

Variable

Burnout group (n = 30)

Control group (n = 30)

P-value

Age, years

46.77 (10.56)

52.93 (7.48)

0.012

Body mass index, kg/m2

25.63 (3.09)

24.35 (2.72)

0.094

Cardiovascular disease risk score, %

3.11 (1.89)

3.47 (1.89)

0.464

Alcohol, standard drinks/week

3.72 (3.22)

2.93 (2.30)

0.280

Physical activity, times/week

1.99 (1.62)

2.67 (1.92)

0.147

Emotional exhaustion, score

29.17 (7.13)

6.67 (3.99)

2 × 10−19

Depersonalization, score

11.33 (7.00)

3.07 (3.60)

8 × 10−7

Personal accomplishments, score

12.03 (6.74)

5.67 (4.37)

7 × 10−5

Effort-reward ratio

1.34 (0.41)

0.87 (0.27)

2 × 10−6

Effort, score

10.65 (1.36)

8.07 (2.13)

6 × 10−7

Reward, score

19.58 (4.03)

22.24 (2.96)

0.005

Overcommitment, score

16.65 (2.83)

12.43 (3.37)

2 × 10−6

Depressive symptoms, score

7.40 (3.13)

2.20 (1.97)

5 × 10−10

MBF, rest, mL/g/min

0.64 (0.13)

0.66 (0.10)

0.530

Coronary flow reserve (CPT)

1.50 (0.52)

1.48 (0.5)

0.838

MBF response (CPT), mL/g/min

0.32 (0.37)

0.33 (0.31)

0.966

Hyperemic MBF (CPT), mL/g/min

0.94 (0.44)

1.00 (0.32)

0.581

Coronary flow reserve (adenosine)

4.31 (1.43)

4.58 (1.09)

0.409

MBF response (adenosine), mL/g/min

2.05 (0.62)

2.27 (0.63)

0.176

Hyperemic MBF (adenosine), mL/g/min

2.66 (0.61)

2.96 (0.65)

0.075

  1. Values given are mean and standard deviation (in parentheses). Normalized values are given for measures of coronary microvascular function. Group differences were calculated with independent samples t-test
  2. CPT cold pressor test, MBF myocardial blood flow