Table 1 Baseline characteristics and outcomes of the low- and high-IAP groups.

From: Elevated IAP in critically ill patients associated with increased AKI incidence: a cohort study from the MIMIC-IV database

 

Low-IAP

High-IAP

P value

n

317

504

 

Baseline characteristics

 Age (Year)

61.49 (16.58)

61.87 (14.75)

0.751

 Male (%)

184 (58.0)

333 (66.1)

0.025

ICU-type (%)

0.131

 CCU

46 (14.5)

79 (15.7)

 

 SICU

185 (58.4)

259 (51.4)

 

 Other

86 (27.1)

166 (32.9)

 

 Weight (Kg)

83.04 (19.68)

87.85 (20.45)

0.001

 SOFA

9.0 (5.0 to 12.0)

10.0 (6.0 to 13.0)

0.001

 SAPSII

48.0 (35.0 to 61.0)

50.0 (38.0 to 62.0)

0.092

 CCI (%)

5.0 (2.0 to 7.0)

4.0 (3.0 to 7.0)

0.252

 CHF (%)

47 (14.8)

85 (16.9)

0.499

 CKD (%)

54 (17.0)

91 (18.1)

0.78

 Diabetes (%)

91 (28.7)

122 (24.2)

0.177

 Sepsis (%)

266 (83.9)

430 (85.3)

0.656

 Vasopressor (%)

93 (29.3)

163 (32.3)

0.408

 Invasive MV (%)

242 (76.3)

383 (76.0)

0.976

 Hemoglobin(g/L)

9.27 (2.01)

9.22 (2.11)

0.825

 WBC (*109)

15.94 (7.97)

15.68 (7.78)

0.618

 Creatinine(mg/dl)

1.1 (0.7 to 2.0)

1.3 (0.9 to 2.1)

0.050

Outcome

 AKI (%)

142 (44.8)

274 (54.4)

0.009

 Stage1 (%)

71 (22.4)

137 (27.2)

0.05

 Stage2 (%)

43 (13.6)

82 (16.3)

0.03

 Stage3 (%)

28 (8.8)

55 (10.9)

0.01

 CRRT (%)

89(28.1)

188(37.2)

0.012

 28-day mortality (%)

83(26.2)

186(36.9)

0.008

  1. ICU, Intensive care unit; CCU, Coronary care unit; SICU, Surgery intensive care unit; SOFA, Sequential Organ Failure Assessment; SAPSII, simplified acute physiology scores II; CCI, Charlson Comorbidity Index; CHF, Chronic heart failure; CKD, Chronic kidney disease; WBC, white blood cell; AKI, acute kidney injury; CRRT, continuous renal replace therapy.
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