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Table 5 Comparison of baseline data between modeling group and validation group

From: Risk factors for perioperative acute heart failure in older hip fracture patients and establishment of a nomogram predictive model

Variables

Modeling group (n = 520)

Validation group (n = 231)

P

Age (years)

78.9 ± 7.6

79.3 ± 7.7

0.559

Gender, n (%)

0.844

Male

136 (26.2)

62 (26.8)

 

Female

384 (73.8)

191 (73.2)

 

Fracture site, n (%)

0.240

Intertrochanteric fracture

264 (50.8)

128 (55.4)

 

Femoral neck fracture

256 (49.2)

103 (44.6)

 

Number of complications ≥ 3, n (%)

0.218

Yes

218 (41.9)

108 (46.8)

 

No

302 (58.1)

123 (53.2)

 
  1. Values are mean ± standard deviation or number (percentage) as appropriate. P < 0.05, statistical significance