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Table 1 Characteristics of included studies

From: Elevated central venous pressure is associated with increased mortality and acute kidney injury in critically ill patients: a meta-analysis

Study

Country

Population

Timing of CVP measurement

CVP category (mm Hg)

Sample size

MV [n (%)]

Events [n (%)]

OR (95% CI)

Outcomes

Study design

Yegenaga et al. [6]

Belgium

Adults admitted into ICU with SIRS/sepsis

24 h after ICU admission

Continuous

257

209 (81.3%)

29 (11.3%)

1.50 (1.26–1.80)

AKI

PC

Palomba et al. [7]

Brazil

Adults admitted into ICU undergoing cardiac surgery

ICU admission

Dichotomous (> 10 versus ≤ 10)

603

NA

66 (10.9%)

1.92 (1.22–3.03)

AKI

PC

Boyd et al. [8]

Canada

Adults admitted into ICU with septic shock

12 h after ICU admission

Dichotomous (> 12 versus < 8)

778

NA

290 (37.3%)

1.65 (1.10–2.75)

Mortality

RC

Dichotomous (> 12 versus 8–12)

1.31 (1.06–1.78)

Chen et al. [9]

China

Adults admitted into ICU with septic shock

24 h after ICU admission

Dichotomous (> 10 versus ≤ 10)

86

NA

29 (33.7%)

2.84 (1.11–7.32)

Mortality

RC

55 (64.0%)

2.94 (1.18–7.35)

AKI

Lobo et al. [10]

Brazil

Adults admitted into ICU undergoing high-risk noncardiac surgery

24 h after ICU admission

Continuous

587

NA

121 (20.6%)

1.12 (1.04–1.21)

Mortality

PC

Chung et al. [11]

China

Adults admitted into ICU with severe sepsis or septic shock

ICU admission

Continuous

124

112 (90.3%)

31 (25.0%)

1.15 (1.057–1.251)

Mortality

PC

Legrand et al. [12]

France

Adults admitted into ICU with severe sepsis or septic shock

24 h after ICU admission

Continuous

137

118 (86.1%)

69 (50.4%)

1.23 (1.10–1.38)

AKI

RC

Continuous (per mmHg increase)

1.22 (1.08–1.39)

Raimundo et al. [13]

UK

Adults admitted into ICU with stage 1 AKI

12 h after ICU admission

Continuous

210

191 (91.0%)

91 (43.3%)

0.99 (0.94–1.04)

Mortality

RC

Wang et al. [14]

China

Adults admitted into ICU with septic shock

7 days after ICU admission

Dichotomous (> 8 versus ≤ 8)

105

NA

28 (26.7%)

2.70 (1.11–6.58)

Mortality

RC

Wong et al. [15]

Australia

Adults admitted into ICU with septic shock

24 h after ICU admission

Continuous (per mmHg increase)

107

35 (32.7%)

10 (9.3%)

1.28 (1.03–1.60)

AKI

RC

Chen et al. [16]

USA

Adults admitted in ICU with mixed critically ill patients

6 h after ICU admission

Continuous (per mmHg increase)

4761

NA

1095 (23.0%)

1.02 (1.00–1.03)

AKI

RC

Li et al. [17]

China

Adults admitted in ICU with mixed critically ill patients

72 h after ICU admission

Continuous

4708

NA

1179 (25.0%)

1.141 (1.009–1.290)

Mortality

RC

Long et al. [18]

China

Adults admitted in ICU with mixed critically ill patients

24 h after ICU admission

Continuous

2208

2208 (100%)

177 (8.0%)

1.125 (1.069–1.184)

Mortality

RC

Beaubien-Souligny et al. [19]

Canada

Adults admitted into ICU undergoing cardiac surgery

ICU admission

Continuous (per mmHg increase)

145

NA

49 (33.8%)

1.04 (1.01–1.08)

AKI

PC

van den Akker et al. [20]

Netherlands

Adults admitted into ICU with cardiogenic shock

48 h after ICU admission

Continuous

39

28 (71.8%)

24 (61.5%)

1.241 (1.030–1.495)

AKI

PC

  1. AKI acute kidney injury, CI confidence interval, CVP central venous pressure, ICU intensive care unit, MV mechanical ventilation, NA not available, OR odds ratio, PC prospective cohort, RC retrospective cohort