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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Patients with an L5–S1 intersomatic cage

From: Transforaminal lumbar interbody fusion with a tantalum cage: lumbar lordosis redistribution and sacral slope restoration with a modified posterior technique

Cage at L5–S1

Pre-operative

Follow-up

P value

PI

60.5 ± 8.1

61.3 ± 9.0

–

SS

39.0 ± 8.4

41.9 ± 9.6

 < 0.05

PT

21.5 ± 7.8

19.4 ± 8.5

0.09

LL

59.5 ± 6.5

58.9 ± 10.3

0.40

L5–S1

14.4 ± 7.4

19.5 ± 6.4

 < 0.0001

L4–S1

29.7 ± 5.9

34.4 ± 6.0

 < 0.001

L4–S1/LL

0.50 ± 0.11

0.60 ± 0.16

 < 0.05