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Table 2 The results of univariate analysis of laboratory data and ultrasound examination

From: Predictive characteristics and model development for acute heart failure preceding hip fracture surgery in elderly hypertensive patients: a retrospective machine learning approach

Variables

Total (N = 1038)

Non-acute heart failure (N = 848)

Acute heart failure (N = 190)

P-value

Anemia

 Yes

328(31.6%)

210(24.8%)

118(62.1%)

 < 0.001

 No

710(68.4%)

638(75.2%)

72(37.9%)

 

Hypokalemia

 Yes

154(14.8%)

107(12.6%)

47(24.7%)

 < 0.001

 No

884(85.2%)

741(87.4%)

143(75.3%)

 

Hyponatremia

 Yes

213(20.5%)

148(17.5%)

65(34.2%)

 < 0.001

 No

825(79.5%)

700(82.5%)

125(65.8%)

 

Hypoalbuminemia

 Yes

350(33.7%)

244(28.8%)

106(55.8%)

 < 0.001

 No

688(66.3%)

604(71.2%)

84(44.2%)

 

Lower extremity venous thrombosis

 Yes

359(34.6%)

279(32.9%)

80(42.1%)

0.016

 No

679(65.4%)

569(67.1%)

110(57.9%)

 
  1. Values are presented as median (interquartile range), or number (percentage) as appropriate