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Table 1 Characteristic of all participants in CPUP with CP spastic diplegia, N = 267

From: No support that early selective dorsal rhizotomy increase frequency of scoliosis and spinal pain – a longitudinal population-based register study from four to 25 years of age

 

SDR group

n = 36(%)

No contraindication - no SDR

Excluded with contraindication for SDR

n = 55 (%)

Non-SDR group

n = 113 (%)

Excluded mild spasticity

n = 63 (%)

Year of birth*

 1990–1993

13 (36)

31 (27)

12 (19)

13 (23,5)

 1994–1997

14 (39)

27 (24)

22 (35)

9 (16.5)

 1998–2001

7 (19.5)

27 (24)

13 (21)

14 (25.5)

 2002–2006

2 (5.5)

28 (25)

16 (25)

19 (34.5)

Birth country other than Sweden

6 (17)

12 (11)

11 (16)

6 (11)

Sex

 Male

25 (69)

60 (53)

37 (60)

41 (74.5)

 Female

11 (31)

53 (47)

26 (40)

14 (25.5)

Gestational Age (GA)

 GA < 26 weeks

2 (6)

7 (6)

8 (12.5)

1 (2)

 GA 26–27 weeks

3 (8)

17 (15)

5 (8)

1 (2)

 GA 28–31 weeks

16 (44.5)

31 (27.5)

13 (21)

2 (3,5)

 GA 32–36 weeks

8 (22)

24 (21)

19 (30.5)

13 (23.5)

 GA > 36 weeks

7 (19.5)

29 (25.5)

12 (19)

35 (63.5)

 Unknown

0

5 (4)

6 (9.5)

3 (5.5)

Birth weight

 < 1000 g

3 (8)

23 (20)

11 (17.5)

2 (4)

 1000–1499 g

8 (22)

21 (19)

11 (17.5)

1 (2)

 1500–2499 g

15 (42)

23 (20)

14 (22)

7 (12.5)

 2500–4999 g

9 (25)

26 (23)

14 (22)

27 (49)

 Unknown

1 (3)

20 (18)

13 (21)

18 (32.5)

Multiple pregnancy

5 (14)

25 (22)

6 (10)

2 (4)

Severe asphyxia > GA 34 weeks

1 (3)

0

0

15 (27)

Post-neonatal CP

0

0

0

7 (13)

CNS imaging (dominating pattern)

 Maldevelopments

0

0

8 (13)

26 (47.5)

 Predominant white matter injury (periventricular)

17 (47)

74 (65.5)

33 (52)

16 (29)

 Basal ganglia/thalamus lesions

0

0

0

0

 Cortical/subcortical grey matter lesions

1 (3)

4 (3.5)

2 (3)

5 (9)

 Normal

2 (6)

9 (8)

4 (6)

5 (9)

 No CNS imaging

16 (44)

26 (23)

16 (26)

3 (5.5)

Shunted hydrocephalus

4 (11)

15 (13)

13 (21)

20 (36)

Epilepsy

6 (17)

27 (24)

12 (19)

23 (42)

Intellectual disability

 None or mild (IQ > 50)

34 (94)

93 (82)

57 (90)

36 (65)

 Moderate or severe (IQ < 50)

2 (6)

20 (18)

6 (10)

18 (33)

 Missing info

0

0

0

1 (2)

Severe visual disability/blindness

4 (11)

20 (18)

7 (11)

10 (18)

GMFCS levels at 4 years

 I

2 (5.5)

43 (38)

44 (70)

16 (30)

 II

11 (30.5)

18 (16)

6 (10)

12 (22)

 III

11 (30.5)

20 (18)

8 (12)

15 (28)

 IV

12 (33.5)

23 (20)

5 (8)

4 (7)

 V

0

9 (8)

0

7 (13)

 Missing info

0

0

0

1

Spasticity level at 4 years***

 Mild

0

0

50 (79)

13 (24)

 Moderate

12 (33)

83 (73)

0

29 (53)

 Severe

24 (67)

30 (27)

0

10 (18)

 Missing info

0

0

13 (21)

3 (5)

  1. Legend: CPUP The Swedish national secondary prevention follow-up program in cerebral palsy, SDR Selective Dorsal Rhizotomy, CP Cerebral Palsy, GA Gestational Age, ITB Intrathecal Baclofen, GMFCS Gross Motor Function Classification System, CNS Central Nervous System, IQ Tested or estimated cognitive level. Differences between the SDR group and the control group n.s., except regarding birth year cohorts* (p < 0.05) and spasticity levels*** (p < 0.001)