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Table 1 Characteristics of the included patients

From: Which sagittal evaluation system can effectively predict mechanical complications in the treatment of elderly patients with adult degenerative scoliosis? Roussouly classification or Global Alignment and Proportion (GAP) Score

Variables

Data

Cases

80

Female, n (%)

65 (81.3%)

Age (years)

76.5 ± 2.5

BMI

26.8 ± 3.8

Follow-up time (months)

19.3 ± 6.2

Blood loss (ml)

1052.2 ± 330.0

Operation time (min)

450.9 ± 141.4

Vertebrae fused (n)

6.0 ± 1.9

Mechanical complications, n (%)

41 (51.3%)

PJK, n (%)

5 (6.25%)

PJF, n (%)

2 (2.5%)

DJK or DJF, n (%)

2 (2.5%)

Implant-related complications, n (%)

34 (42.5%)

Implant loosening, n (%)

30 (37.5%)

Implant breakage, n (%)

4 (5%)

  1. Pre, preoperative; Post, postoperative; BMI, body mass index; PJK, proximal junctional kyphosis; PJF, proximal junctional failure; DJK, distal junctional kyphosis; DJF, distal junctional failure