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Table 1 Social and demographic data

From: False positive morphologic diagnoses at the anomaly scan: marginal or real problem, a population-based cohort study

 

Total cohort (n = 526) %

False positives (n = 39) %

Misclassification (n = 49) %

True positive (n = 438) %

p1

Maternal age

(n = 526)

(n = 39)

(n = 49)

(n = 435)

 

 <25 years

18.1

19.2

22.5

17.5

0.62

 25-34 years

62.3

65.9

59.2

62.3

 

 ≥35 years

19.6

15.9

18.4

20.2

 

Educational level

(n = 279)

(n = 22)

(n = 25)

(n = 232)

 

 Primary and middle school

24.6

20.8

20.0

25.4

0.81

 High school

20.3

16.7

16.0

21.1

 

 Post-secondary

55.2

62.5

64.0

53.5

 

Smoking

(n = 482)

(n = 40)

(n = 43)

(n = 399)

 

28.5

32.6

20.9

28.8

0.45

BMI 2≥ 25

(n = 526)

(n = 39)

(n = 49)

(n = 438)

 

11.6

8.5

0

13.2

0.02

Consanguinity

(n = 526)

(n = 39)

(n = 49)

(n = 438)

 

2.3

6.5

0

2.1

0.08

  1. 1Comparison of 3 groups: False positives, Misclassifications, True positives; 2BMI (Body Mass Index).