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Table 4 Odds ratios of major congenital anomalies among NF1 children compared to matched controls

From: Congenital anomalies in neurofibromatosis 1: a retrospective register-based total population study

Anomaly (ICD-10 code)

NF1 (n)

NF1 (1/1000)

Controls (n)

Controls (1/1000)

OR, unadjusted (95% CI)

OR, adjusted (95% CI)

P, unadjusted

P, adjusted

Nervous system (Q00-Q07)

0

0

3

0.7

NA

NA

NA

NA

Eye, ear, face and neck (Q10-Q18)

3

6.8

7

1.5

4.43 (1.12–17.57)

4.66 (1.42–15.31)

.035

.011

Circulatory sytem (Q20-Q28)

9

20.3

25

5.5

3.74 (1.74–8.04)

3.35 (1.64–6.83)

<.001

<.001

Respiratory system (Q30-Q34)

0

0

0

0

NA

NA

NA

NA

Cleft lip and cleft palate (Q35-Q37)

0

0

11

2.4

NA

NA

NA

NA

Other digestive system (Q38-Q45)

1

2.3

4

0.9

2.92 (0.33–25.78)

NA

.335

NA

Genital organs (Q50-Q56)

0

0

1

0.2

NA

NA

NA

NA

Urinary system (Q60-Q64)

4

9.0

11

2.4

4.27 (1.36–13.37)

4.26 (1.36–13.35)

.013

.013

Musculoskeletal system (Q65-Q79)

6

13.5

22

4.8

2.83 (1.12–7.11)

2.77 (1.09–7.02)

.028

.032

Other (Q80-Q89)

1

2.3

3

0.7

3.89 (0.41–36.92)

3.88 (0.41–36.90)

.237

.238

Chromosomal (Q90-Q99)

0

0

0

0

NA

NA

NA

NA

  1. Adjusted ORs were adjusted for smoking during pregnancy, maternal age, year of pregnancy and parity (0/1+)
  2. NA Not enough events for statistical analysis