Figure 1:Effect of duration of tachycardia on mortality (p<0.05).

 

Mean

Standard Deviation

%95 Confidence Interval

Survivors

Deaths

p

Lowest

Highest

Age (years)

58.00

17.86

52.92

63.07

61.66

58.09

ns

The time of heart rate greater than 100 bpm (hour)

34.62

39.74

23.32

45.91

 

 

 

Discharge from ICU (hour)

164.08

149.54

121.57

206.58

 

 

 

Discharge from hospital (hour)

216.92

155.20

172.81

261.02

 

 

 

Mean arterial pressure (mmHg)

90.74

20.55

84.89

96.58

93.06

87.15

ns

Heart rate (beat/min)

111.12

14.62

106.9

115.27

106.22

114.78

ns

SpO2 (%)

98.10

2.67

97.33

98.86

98.83

96.40

ns

Hemoglobin (g/dl)

10.38

2.35

9.71

11.05

10.50

10.34

ns

Hematocrit (%)

32.08

7.60

29.92

34.24

32.22

31.95

ns

Ph

7.39

0.09

7.36

7.42

7.42

7.36

ns

pCO2 (mmHg)

41.64

11.22

38.45

44.83

41.38

43.71

ns

pO2 (mmHg)

106.22

49.46

92.16

120.27

88.05

109.41

ns

HCO3 (mmol/L)

23.97

6.98

21.98

25.95

26.28

23.52

ns

Base excess

-0.30

6.32

-2.10

1.49

1.55

-0.51

ns

Glucose level (mg/dl)

139.56

48.30

125.83

153.28

126.5

151.15

ns

Sodium (mEq/L)

140.64

8.24

138.29

142.98

136.94

141.58

ns

Potassium (mEq/L)

4.18

0.95

3.91

4.45

3.98

4.23

ns

Chloride (mEq/L)

106.08

7.05

104.07

108.08

105.22

106.68

ns

Calcium (mEq/L)

7.64

1.05

7.34

7.94

7.63

7.75

ns

Lactate level (mmol/L)

2.32

1.58

1.87

2.76

1.61

3.29

ns

Body temperature (°C)

37.36

0.92

37.10

37.63

37.24

37.55

ns

Table 1: Patient characteristics

 

Correlation Coefficient

p

MAP

-534

< 0.0001

SpO2

-0.094

ns

Hb

-0.166

ns

pH

-0.388

0.005

BE

-0.362

0.01

Lactate

0.112

ns

Temperature

0.454

0.001

ProBNP

0.223

ns

CRP

-0.014

ns

SOFA

0.139

ns

APACHE

0.148

ns

Procalcitonin

0.534

< 0.0001

WBC

0.048

ns

CVP

-0.085

ns

PaO2

0.191

ns

PaCO2

-0.005

ns

MAP: mean arterial pressure; Hb: hemoglobin; BE: base excess; BNP: brain natriuretic peptide; CRP: C reactive protein; SOFA: Sequential Organ Failure Assessment; APACHE: Acute Physiology and Chronic Health Evaluation; WBC: white blood cell; CVP: central venous pressure
Table 2: Spearman’s correlation analysis between etiological factors of tachycardia and heart rate

Coefficients

Model

Unstandardized Coefficients

Standardized Coefficients

T

p

 

B

Std. Error

Beta

 

 

(Constant)

269.138

260.149

 

1.035

0.307

MAP

-0.147

0.072

-0.238

-2.027

0.049

pH

-40.345

33.588

-0.271

-1.201

0.236

Base excess

-0.179

0.497

-0.077

-0.360

0.721

Body temperature

4.199

1.742

0.271

2.410

0.020

Procalcitonin

0.120

0.052

0.274

2.323

0.025

Table 3: Linear regression analysis of etiologic factors of tachycardia