Table 2.

Characteristics of All Study Patients

Total number of examinations	25,567
Total number of patients	9,124
Number of included patients	7,436
Gender (Number of male/total, %)	714/1348	53.0%
Outborn (n, %)	312	4.0%
Multiple Gestation (n, %)	1,322	17.8%
Birth Weight
Mean, std dev (g)	1,101	407.5
Proportion (n, %)
< 750g	1,692	23.5%
751–1000g	1,439	20.0%
1001–1250g	1,449	20.1%
1251–1500g	1,411	19.6%
>1500g	1,206	16.8%
Gestational Age
Mean, std dev (weeks)	28.4	3.1
Proportion (n, %)
<27w	2,231	31.0%
27–32w	3,676	51.1%
>32w	1,291	17.9%

Abbreviations: n - number, g - grams, w - weeks, std dev - standard deviation