Impact of Introducing PROMPT on Permanent Brachial Plexus Injury and Tears III°/IV° in Shoulder Dystocia: The Hanover Cohort Study

Table 5

Demographic characteristics between group 1 and group 2 (infants and mothers).

Group		N	Mean	Min	Max	Centiles
						25^th	50^th median	75^th
1	Length of pregnancy (d)	92	277.8	236	293	273	280	284
	Maternal age (y)	92	30,61	20	47	27	30,5	34
	Gravida	92	1.52	1	5	1	1	2
	Para	92	1.18	1	3	1	1	1
	Neonatal birthweight	92	3,517.7	2,105	4,530	3,252.5	3,540	3,841.2
	Neonatal head circumference	92	35.06	30	38	34	35	36
2	Length of pregnancy (d)	39	279.1	249	293	273	281	287
	Maternal age (y)	39	31,56	25	41	29	31	33,5
	Gravida	39	1.28	1	3	1	1	1
	Para	39	1.13	1	2	1	1	1
	Neonatal birthweight	39	3,604.1	2,950	4,405	3,310	3,660	3,810
	Neonatal head circumference	39	35.19	33	37.5	34	35	36