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Table 1 Baseline characteristics

From: Systemic immune-inflammation index independently predicts poor survival of older adults with hip fracture: a prospective cohort study

Characteristics

Total (N = 290)

Age (years), mean (SD)

77.6 (8.6)

Female, n (%)

189 (65.2)

CCI score, n (%)

 CCI = 0

159 (54.8)

 CCI = 1

89 (30.7)

 CCI ≥ 2

42 (14.5)

Type of hip fracture, n(%)

 Femoral neck

158 (54.5)

 Intertrochanteric

132 (45.5)

Type of surgery, n (%)

 Internal fixation

162 (55.9)

 Arthroplasty

128 (44.1)

Time to surgery (days), median (IQR)

5.6 (4.0–7.5)

Platelet (×109/L), median (IQR)

139.0(102.0–177.3)

Neutrophil (×109/L), median (IQR)

5.6 (4.4–7.4)

Lymphocyte (×109/L), median (IQR)

1.0 (0.8–1.3)

SII (×109/L), median (IQR)

759.4(519.0–1128.7)

Albumin (g/dL), mean (SD)

3.8 (0.4)

Hypoalbuminemia, n(%)

75 (25.9)

  1. Continous data were expressed as mean (SD) or median (IQR) according to the distribution, and categorical data were described as frequencies (percentages)
  2. Abbreviation: SD Standard deviation, CCI Charlson comorbidity index, IQR Interquartile range, SII Systemic immune-inflammation index