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Table 4 Relationship of age, PI-LL at last follow-up and S1 screw loosening

From: The relationship between S1 screw loosening and postoperative outcome in patients with degenerative lumbar scoliosis

  Age<65 years old Age ≥ 65 years old P value
S1 screw loosening rate 46.9%(15/47) 53.1%(17/31) 0.044
  PI-LL < 10 at last follow-up PI-LL ≥ 10 at last follow-up P value
S1 screw loosening rate 28.1%(9/24) 71.9%(23/54) 0.673