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Table 3 X-ray comparisons of ATI 7° and ATI 5° classification for specific age groups

From: The importance of the size of the trunk inclination angle in the early detection of scoliosis in children

6–9 years old

ATI 7° criterion

ATI ≥ 7° (N = 20)

ATI < 7° (N = 39)

p-value

Cobb (ranges)

10–14 (N = 21)

23.8% (N = 5)

76.2% (N = 16)

0.2569

15–20 (N = 22)

31.8% (N = 7)

68.2% (N = 15)

 ≥ 21 (N = 16)

50% (N = 8)

50% (N = 8)

ATI 5° criterion

ATI ≥ 5° (N = 40)

ATI < 5° (N = 19)

p-value

Cobb (ranges)

10–14 (N = 21)

57.1% (N = 12)

42.9% (N = 9)

0.472

15–20 (N = 22)

72.7% (N = 16)

27.3% (N = 6)

 ≥ 21 (N = 16)

75% (N = 12)

25% (N = 4)

10–12 years old

ATI 7° criterion

ATI ≥ 7° (N = 18)

ATI < 7° (N = 47)

p-value

Cobb (ranges)

10–14 (N = 20)

5% (N = 1)

95% (N = 19)

0.0042

15–20 (N = 23)

26.1% (N = 6)

73.9% (N = 17)

 ≥ 21 (N = 22)

50% (N = 11)

50% (N = 11)

ATI 5° criterion

ATI ≥ 5° (N = 45)

ATI < 5° (N = 20)

p-value

Cobb (ranges)

10–14 (N = 20)

55% (N = 11)

45% (N = 9)

0.277

15–20 (N = 23)

73.9% (N = 17)

26.1% (N = 6)

 ≥ 21 (N = 22)

77.3% (N = 17)

22.7% (N = 5)

13–17 years old

ATI 7° criterion

ATI ≥ 7° (N = 47)

ATI < 7° (N = 45)

p-value

Cobb (ranges)

10–14 (N = 15)

13.3% (N = 2)

86.7% (N = 13)

 < 0.001

15–20 (N = 20)

35% (N = 7)

65% (N = 13)

 ≥ 21 (N = 57)

66.7% (N = 38)

33.3% (N = 19)

ATI 5° criterion

ATI ≥ 5° (N = 86)

ATI < 5° (N = 6)

p-value

Cobb (ranges)

10–14 (N = 15)

86.7% (N = 13)

13.3% (N = 2)

0.1641

15–20 (N = 20)

90% (N = 18)

10% (N = 2)

 ≥ 21 (N = 57)

96.5% (N = 55)

3.5% (N = 2)