Table 1 Characteristics of the study patients by BAR levels.

From: Prognostic impact of blood urea nitrogen to albumin ratio on patients with sepsis: a retrospective cohort study

Characteristics

BAR levels

P

Total (n = 7656)

BAR ≤ 8.0 (n = 3837)

BAR > 8.0 (n = 3819)

Age (years), median (IQR)

64.0 (53.0, 76.0)

61.0 (49.0, 73.0)

68.0 (57.0, 78.0)

 < 0.001

Gender, F, n (%)

3285 (42.9)

1761 (45.9)

1524 (39.9)

 < 0.001

Basic vital signs, median (IQR)

 Heart rate (bpm)

88.2 (76.4, 100.4)

87.8 (76.4, 100.2)

88.6 (76.3, 100.8)

0.255

 SBP(mmHg)

112.7 (103.8, 125.0)

115.1 (105.5, 127.8)

110.6 (102.4, 122.0)

 < 0.001

 DBP(mmHg)

61.4 (55.0, 68.8)

63.4 (57.1, 71.1)

59.0 (53.0, 66.0)

 < 0.001

 MBP(mmHg)

75.6 (69.5, 83.2)

77.9 (71.7, 85.7)

73.2 (67.6, 80.4)

 < 0.001

 Respiratory rate (bpm)

19.7 (17.2, 22.8)

19.3 (17.1, 22.3)

20.1 (17.4, 23.2)

 < 0.001

 SPO2 (%)

97.1 (95.7, 98.5)

97.3 (95.8, 98.6)

97.0 (95.5, 98.4)

 < 0.001

Comorbidities, n (%)

 Coronary arterial disease

1778 (23.2)

777 (20.3)

1001 (26.2)

 < 0.001

 Congestive heart failure

2335 (30.5)

871 (22.7)

1464 (38.3)

 < 0.001

 Chronic pulmonary disease

1949 (25.5)

883 (23)

1066 (27.9)

 < 0.001

 Kidney disease

1770 (23.1)

339 (8.8)

1431 (37.5)

 < 0.001

 Liver disease

1046 (13.7)

401 (10.5)

645 (16.9)

 < 0.001

 Malignant tumors

1235 (16.1)

568 (14.8)

667 (17.5)

0.002

 Cerebrovascular disease

1055 (13.8)

633 (16.5)

422 (11.1)

 < 0.001

 Peripheral vascular disease

817 (10.7)

326 (8.5)

491 (12.9)

 < 0.001

 Autoimmune disease

158 (2.1)

75 (2.0)

83 (2.2)

0.501

Laboratory parameters, median (IQR)

 Red blood cell (103/μL)

3.4 (2.9, 4.0)

3.6 (3.1, 4.2)

3.3 (2.8, 3.8)

 < 0.001

 White blood cell (103/μL)

11.7 (7.8, 16.8)

11.3 (7.7, 15.9)

12.1 (8.0, 17.7)

 < 0.001

 Platelet (103/μL)

182.0 (118.0, 258.0)

195.0 (132.0, 264.0)

166.0 (105.5, 247.0)

 < 0.001

 Hemoglobin(mg/dL)

10.4 (8.8, 11.9)

11.0 (9.4, 12.6)

9.8 (8.4, 11.2)

 < 0.001

 Calcium (mEq/L)

8.1 (7.6, 8.7)

8.2 (7.6, 8.7)

8.1 (7.5, 8.7)

0.002

 Potassium(mEq/L)

4.1 (3.7, 4.6)

4.0 (3.6, 4.4)

4.3 (3.8, 4.9)

 < 0.001

 Sodium (mEq/L)

139.0 (135.0, 142.0)

139.0 (136.0, 141.0)

138.0 (134.0, 142.0)

0.008

 Creatinine (mg/dL)

1.1 (0.8, 1.9)

0.8 (0.6, 1.1)

1.7 (1.2, 2.9)

 < 0.001

 Glucose (mg/dL)

130.0 (104.0, 173.0)

127.0 (104.0, 165.0)

133.0 (104.0, 183.0)

 < 0.001

Scoring systems, median (IQR)

 SOFA

7.0 (4.0, 10.0)

5.0 (3.0, 8.0)

9.0 (6.0, 12.0)

 < 0.001

 SAPSII

40.0 (31.0, 51.0)

35.0 (27.0, 43.0)

47.0 (38.0, 57.0)

 < 0.001

 30-day mortality

2191 (28.6)

731 (19.1)

1460 (38.2)

 < 0.001

 360-day mortality

3315 (43.3)

1192 (31.1)

2123 (55.6)

 < 0.001

  1. SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, SOFA sequential organ failure assessment, SAPS II simplified acute physiology score II.
Back to article page