. Author manuscript; available in PMC: 2011 Oct 1.

Published in final edited form as: Am J Obstet Gynecol. 2010 Jul 3;203(4):328.e1–328.e5. doi: 10.1016/j.ajog.2010.05.013

Table 2.

Adverse Intrapartum Events and Risk of Spastic Quadripalegic or Dyskinetic CP (SQD CP).

	All				Preterm					Term
	No CP		SQD CP		No CP		SQD CP		P*	No CP		SQD CP		p*
	N	%	N	%	N	%	N	%	P*	N	%	N	%	p*
Placental abruption	54,009	0.9	410	5.7	20,953	3.8	265	10.8	0.0001	28,149	0.5	101	2.4	0.0001
Uterine rupture during labor	3,855	0.06	54	0.8	398	0.07	6	0.2	0.02	3,217	0.06	44	1.0	0.0001
Fetal distress	471,279	7.7	1,426	19.7	47,214	8.6	507	20.6	0.0001	400,764	7.7	827	19.4	0.0001
Birth trauma	294,425	4.8	565	7.8	22,301	4.0	178	7.2	0.0001	257,164	4.9	348	8.1	0.0001
Cord prolapse	16,675	0.3	110	1.5	3,320	0.6	54	2.2	0.0001	12,184	0.2	49	1.2	0.0001
Mild to severe birth ashyxia	24,458	0.4	409	5.7	4,231	0.8	113	4.6	0.0001	18,598	0.4	269	6.3	0.0001
Any of the above 6 events	793,415	12.9	2,268	31.3	87,852	15.9	907	36.8	0.0001	663,136	12.7	1,208	28.3	0.0001