Skip to main content

Table 2 Demographic and clinical characteristics of patients with BSIs

From: Epidemiology and microbiology of Gram-positive bloodstream infections in a tertiary-care hospital in Beijing, China: a 6-year retrospective study

 

Staphylococcus aureus(n = 227)

CoNS(N = 446)

enterococcus(n = 499)

Viri-dans streptococcus(n = 148)

Streptococcus pneumonia(n = 10)

total(n = 1330)

p-value

age

51(50–57)

53(51–55)

59(58–61)

52(50–54)

51(42–53)

53(51–55)

p < 0.001

Male

152(66,64–69)

284(64,58–69)

320(64,60–67)

108(73,71–74)

6(60,59–60)

870(65,48–81)

0.857

Female

75(34,30–35)

162(36,30–41)

179(36,32–39)

40(27,25–28)

4(40,39–40)

460(35,18–51)

0.455

Comorbidities

 Malignancy

68(30,27–32)

83(19,13–24)

175(35,31–38)

38(26,24–27)

6(60,59–60)

370(28,11–44)

p < 0.001

 Trauma

15(7,4–9)

18(4,0–9)

20(4,0–7)

3(2,0–3)

1(10,9–10)

57(4,0–20)

0.408

 Hypertension

35(15,12–17)

74(17,11–22)

69(14,10–17)

23(16,14–17)

2(20,19–20)

203(15,0–31)

0.994

 Heart disease

15(7,4–9)

69(15,9–20)

38(8,4–11)

10(7,5–8)

1(10,9–10)

133(10,0–26)

0.007

 Diabetes mellitus

25(11,8–13)

45(10,4–15)

54(11,7–14)

9(6,4–7)

3(30,29–30)

136(10,0–26)

0.007

 Hematological disease

21(9,6–11)

12(3,0–8)

15(3,0–6)

8(5,3–6)

1(10,9–10)

57(4,0–20)

0.006

Hospital Ward

 Medical

117(52,49–54)

315(71,65–76)

305(61,56–63)

97(66,64–67)

10(100,99–100)

844(63,46–79)

0.219

 Surgical

110(48,45–50)

131(29,23–34)

194(39,35–42)

51(34,32–35)

0(0,0–0)

486(37,20–53)

0.003

 ICU

50(22,19–24)

122(27,21–32)

132(26,22–29)

28(19,17–20)

0(0,0–0)

332(25,9–41)

0.145

Predisposing factors

 central intravenous catheter

62(27,24–29)

42(9,3–14)

37(38,37–39)

4(3,1–4)

1(10,9–10)

146(11,0–27)

p < 0.001

 indwelling urinary catheter

26(11,8–130

11(2,0–7)

18(18,17–19)

1(1,0–2)

0(0,0–0)

56(4,0–20)

p < 0.001

 Immunosuppressive

22(10,7–12)

8(2,0–7)

8(8,7–9)

3(2,0–3)

2(20,19–20)

43(3,0–19)

p < 0.001

 chemoradiotherapy

41(18,15–20)

21(5,0–10)

15(15,14–16)

4(3,1–4)

1(10,9–10)

82(6,0–22)

p < 0.001

 endotracheal intubation

12(5,2–7)

11(2,0–7)

14(14,13–15)

1(1,0–2)

0(0,0–0)

38(3,0–19)

0.195

 tracheostomy tube

6(3,0–5)

3(1,0–6)

6(6,5–7)

0(0,0–1)

0(0,0–0)

15(1,0–17)

0.211

Significant isolates

 Nosocomial

164(72,69–74)

312(70,64–75)

400(80,72–85)

50(34,32–35)

5(50,49–50)

931(70,53–86)

p < 0.001

 Community acquired

63(28,25–30)

134(30,24–35)

99(20,31–38)

98(66,64–67)

5(50,49–50)

399(30,13–46)

p < 0.001