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Table 3 Data completeness in the National Neonatal Research Database (NNRD) for the data items reported in 20% of studies or more

From: A systematic review identifying common data items in neonatal trials and assessing their completeness in routinely recorded United Kingdom national neonatal data

 

Age

 

Preterm

(n = 37,424)

(%)

Term

(n = 59,130)

(%)

Unknown

(n = 145)

(%)

All

(n = 96,699)

(%)

Gestational age

100.0

100.0

0

99.9

Sex

99.9

99.9

99.3

99.9

Birth weight

100.0

100.0

91.7

100.0

Antenatal steroids

94.5

89.7

4.8

91.4

Maternal ethnicity

75.6

66.9

1.4

70.2

Multiple births

100.0

99.8

11.7

99.7

Mode of delivery

90.7

75.7

2.8

81.4

Apgar score at 5 min

87.6

73.9

0.7

79.1

Maternal age

96.6

89.2

3.4

92.0

Inborna

98.8

96.6

6.2

97.3

Drug treatment in the first 1 daybc

   

91.9

Respiratory support in the first 1 dayc

   

100.0

  1. aCorresponding NNRD data item: place of birth
  2. bCorresponding NNRD data item: any medication recorded on day 1 of admission
  3. cFor babies less than 28 weeks gestational age (n = 1967)