Table 1 Baseline characteristics and 28-day mortality according to the tertiles of the MAP (mmHg) (n = 8161).

From: U shaped relationship between mean arterial pressure and 28 day mortality in ICU patients with acute myocardial infarction

Parameters

MAP tertile

Tertile 1

40–56

n = 2545

Tertile 2

57–110

n = 2848

Tertile 3

111–200

n = 2768

P value

Demographics

Age (years)

69.26 ± 12.92

64.80 ± 13.33

64.85 ± 13.35

 < 0.001

Sex

 Male

1114 (43.79%)

870 (30.55%)

991 (35.80%)

 < 0.001

 Female

1430 (56.21%)

1978 (69.45%)

1777 (64.20%)

 

Ethnicity

 Caucasian

2071 (82.51%)

2219 (79.36%)

2090 (76.28%)

 < 0.001

 African American

439 (17.49%)

577 (20.64%)

650 (23.72%)

 

BMI

28.70 ± 6.88

28.78 ± 5.85

29.59 ± 6.47

 < 0.001

Vital signs

 Temperature (°C)

36.38 ± 0.60

36.48 ± 0.45

36.44 ± 0.54

 < 0.001

 Respiratory rate (bpm)

23.51 ± 14.00

23.29 ± 14.57

26.42 ± 15.57

 < 0.001

 Heart rate (/min)

95.19 ± 33.46

86.29 ± 28.51

91.67 ± 31.74

 < 0.001

Laboratory data

 BUN (mg/dL)

26.90 ± 17.21

20.86 ± 13.81

21.78 ± 14.01

 < 0.001

 Calcium (mg/dl)

8.32 ± 0.74

8.53 ± 0.60

8.56 ± 0.63

 < 0.001

 Glucose (mg/dl)

151.38 ± 62.54

139.76 ± 54.10

148.88 ± 60.21

 < 0.001

 Serum potassium (mmol/L)

4.17 ± 0.61

4.09 ± 0.51

4.09 ± 0.57

 < 0.001

 Platelets (cells × 109/L)

205.16 ± 76.14

208.62 ± 70.12

214.28 ± 71.52

 < 0.001

 Red blood cell count (M/mcl)

3.87 ± 0.72

4.15 ± 0.67

4.21 ± 0.70

 < 0.001

 Hemoglobin (g/dL)

11.58 ± 2.22

12.47 ± 2.12

12.60 ± 2.21

 < 0.001

 White blood cell count (cells × 109/L)

12.74 ± 6.02

11.41 ± 4.61

11.93 ± 5.11

 < 0.001

 Sodium (mmol/L)

137.62 ± 4.24

137.70 ± 3.65

137.76 ± 3.76

0.461

 CK (units/L)

1219.48 ± 2319.21

1066.49 ± 1704.70

1362.19 ± 2451.59

0.009

 HDLc (mg/dL)

39.43 ± 13.23

39.24 ± 11.97

40.58 ± 12.83

0.015

Severity of illness

 GCS score

13.05 ± 3.61

14.38 ± 2.05

13.75 ± 3.06

 < 0.001

 Apache IV score

62.08 ± 23.20

41.31 ± 18.35

46.34 ± 22.88

 < 0.001

 Acute Physiology Score III

47.68 ± 20.85

29.68 ± 15.90

34.34 ± 20.25

 < 0.001

Comorbidities

 COPD

225 (8.84%)

146 (5.13%)

153 (5.53%)

 < 0.001

 CHF

411 (16.15%)

300 (10.53%)

321 (11.60%)

 < 0.001

 DM

445 (17.49%)

368 (12.92%)

381 (13.76%)

 < 0.001

 Pneumonia

349 (13.71%)

174 (6.11%)

213 (7.70%)

 < 0.001

 Rhythm

560 (22.00%)

420 (14.75%)

467 (16.87%)

 < 0.001

Advanced life support

 Intubated

482 (18.94%)

170 (5.97%)

311 (11.24%)

 < 0.001

 Mechanical ventilation use

653 (25.66%)

269 (9.45%)

455 (16.44%)

 < 0.001

 DIALYSIS

92 (3.61%)

46 (1.62%)

65 (2.35%)

 < 0.001

28-day mortality

 No

2262 (88.88%)

2778 (97.54%)

2623 (94.76%)

0.107

 Yes

283 (11.12%)

70 (2.46%)

.24%)

 
  1. Data are expressed as the mean ± SD, median (interquartile range), or percentage; BMI Body Mass Index; GCS Glasgow Coma Scale; HDLc High-density lipoprotein cholesterol; BUN Blood Urea Nitrogen; MAP Mean Arterial Pressure; CK creatine kinase; SOFA Sequential Organ Failure Assessment; COPD chronic obstructive pulmonary disease; CHF congestive heart failure; DM diabetes mellitus; Among the 8161 patients, the amount of missing values for the covariates were 435 (5.3%) for admission BMI, 1243 (15.2%) for temperature, 654 (8.0%) for heart rate, 689 (8.4%) for respiratory rate, 715 (8.7%) for GCS score. 1620 (19.8%) for Apache IV score, 1604 (19.6%) for Acute Physiology Score III, 1104 (13.5%) for White Blood Cell Count (cells × 109/L), 58 (0.7%) for CK.
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