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Table 1 Patient demographics for the 52 female idiopathic scoliosis patients, divided into nominal age groups

From: Supine to standing Cobb angle change in idiopathic scoliosis: the effect of endplate pre-selection

Nominal age at CT scan (yrs)

Mean age (yrs)

Number of patients

Mean mass (kg)

Risser sign (0–5)

Ligament laxity (0–5)

Mean supine Cobb angle (°) (range)

Mean standing Cobb angle (°) (range)

Mean change in Cobb (°)

Lenke type 1

A

B

C

All

14.6

52

52

0-5

0-5

42 (28–57)

52 (40–68)

11

30

13

9

11

11.5

2

44

0

0-2

42 (39–45)

50 (48–52)

8

0

2

0

12

12.4

6

44

0-3

0-3

44 (39–48)

56 (47–64)

12

6

0

0

13

13.5

15

50

0-4

0-4

46 (35–57)

54 (40–63)

8

9

2

4

14

14.5

11

60

0-5

0-4

42 (31–55)

51(42–62)

9

4

6

1

15

15.3

7

53

0-5

0-5

40 (34–51)

51(44–68)

11

3

1

3

16

16.5

3

54

3-5

0-2

36 (30–40)

47 (42–50)

11

2

0

1

17

17.5

5

53

4-5

0-3

36 (28–43)

48 (38–58)

12

4

1

0

18

18.1

3

52

5

0-2

40 (32–49)

52 (42–58)

12

2

1

0