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Table 1 Comparisons of left/right hemipelvis ratios for patients without and with Transverse Plane Pelvis Rotation Increase.

From: Transverse plane pelvic rotation increase (TPPRI) following rotationally corrective instrumentation of adolescent idiopathic scoliosis double curves

Study Group

(N)

Preoperative

Postoperative

Intermediate (Int.)

Follow-Up

Follow-Up (FU)

 

L/R

Ratio

L/R

Ratio

Pre L/R

Minus

Post L/R

L/R

Ratio

Pre L/R minus

Int. L/R

L/R

Ratio

Pre L/R

minus

FU L/R

No TPPRI (10)

0.88

± 0.128

0.88

± 0.141

0.01

± 0.138

0.92

± 0.106

-0.03

± 0.087

0.91

± 0.073

-0.03

± 0.132

TPPRI

(7)

1.02

± 0.116

+

0.70

± 0.154

+, ++

0.32

± 0.074

0.91

± 0.176

++

0.12

± 0.141

0.89

± 0.152

0.13

± 0.191

  1. P = 0.0039 + P = 0.0166 ++ P = 0.0156