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Table 2 Sepsis incidence rates and hospitalization characteristics by HDL-C and LDL-C quartile

From: Cholesterol levels and long-term rates of community-acquired sepsis

Variable

HDL-C quartile

p

LDL-C quartile

p

Q1, 5–40 mg/dl

Q2, 41–49 mg/dl

Q3, 50–61 mg/dl

Q4, 62–199 mg/dl

Q1, 3–89 mg/dl

Q2, 90–111 mg/dl

Q3, 112–135 mg/dl

Q4, 136–388 mg/dl

Number of participants

7305

7064

7162

6749

 

6984

7088

6915

6896

 

Sepsis events, N (%)

485 (6.6)

372 (5.3)

329 (4.6)

264 (3.9)

 

451 (6.5)

399 (5.6)

304 (4.4)

261 (3.8)

 

IR (per 1000 person-years), 95% CI

10.6 (9.7–11.6)

8.5 (7.7–9.4)

7.3 (6.6–8.1)

6.2 (5.5–7.0)

 

10.6 (9.6–11.6)

8.9 (8.1–9.9)

6.9 (6.2–7.7)

6.0 (5.3–6.8)

 

Sepsis event hospitalization characteristics

 Infection type, N (%)

  Pneumonia

179 (36.9)

128 (34.4)

138 (42.0)

120 (45.5)

0.018

181 (40.1)

151 (37.8)

113 (37.2)

105 (40.2)

0.79

  Kidney and urinary tract infections

86 (17.7)

71 (19.1)

58 (17.6)

22 (12.5)

0.16

80 (17.7)

79 (19.8)

61 (20.1)

22 (8.4)

<0.001

  Abdominal

78 (16.1)

71 (19.1)

40 (12.2)

22 (12.5)

0.038

62 (13.8)

64 (16.0)

44 (14.5)

47 (18.0)

0.45

  Skin and soft tissue

50 (10.3)

29 (7.8)

17 (5.2)

20 (7.6)

0.066

43 (9.5)

26 (6.5)

26 (8.6)

19 (7.3)

0.40

  Bronchitis, influenza and other lung infections

34 (7.0)

34 (9.1)

35 (10.6)

31 (11.7)

0.13

34 (7.5)

38 (9.5)

34 (11.2)

27 (10.3)

0.35

  Sepsis

42 (8.7)

21 (5.7)

18 (5.5)

16 (6.1)

0.20

30 (6.7)

23 (5.8)

16 (5.3)

24 (9.2)

0.24

  Fever of unknown origin

4 (0.8)

7 (1.9)

11 (3.3)

4 (1.5)

0.072

6 (1.3)

9 (2.3)

3 (1.0)

7 (2.7)

0.34

  Surgical wound

1 (0.2)

3 (0.8)

5 (1.5)

1 (0.4)

0.14

2 (0.4)

2 (0.5)

2 (0.7)

4 (1.5)

0.41

  Catheter (IV/central/dialysis)

2 (0.4)

0 (0)

0 (0)

3 (1.1)

–

2 (0.4)

1 (0.3)

1 (0.3)

0 (0)

0.91

  Meningitis

0 (0)

2 (0.5)

2 (0.6)

1 (0.4)

0.27

2 (0.4)

1 (0.3)

0 (0)

2 (0.8)

0.51

  Unknown/other

9 (1.9)

6 (1.6)

5 (1.5)

2 (0.8)

0.70

9 (2.0)

5 (1.3)

4 (1.3)

4 (1.5)

0.85

Elevated SOFA score (SOFA ≥ 2), N (%)

266 (54.9)

175 (47.0)

147 (44.7)

119 (45.1)

0.010

251 (55.7)

201 (50.4)

127 (41.8)

107 (41.0)

<0.001

Admitted to ICU vs floor, N (%)a

69 (16.0)

42 (12.8)

41 (14.4)

24 (9.9)

0.16

70 (17.0)

41 (11.6)

26 (10.2)

32 (13.9)

0.051

In-hospital death, N (%)

43 (8.9)

30 (8.1)

30 (9.1)

25 (9.5)

0.93

43 (9.5)

35 (8.8)

19 (6.3)

29 (11.1)

0.22

  1. Total of 29,690 participants. LDL-C measurement missing for 1807 participants. HDL-C measurement missing for 1410 participants
  2. p values from Pearson chi-square tests of association for variables with at least five observations in 75% of table cells, and Fisher exact tests for all others
  3. aIncludes only events resulting in an inpatient admission and those with inpatient records available
  4. LDL-C low-density lipoprotein, HDL-C high-density lipoprotein, IR incidence rate, CI confidence interval, SOFA Sepsis-related Organ Failure Assessment, ICU intensive care unit