This Article  • Full text  • PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Related letters  • Similar articles in JAMA  Topic Collections  • Neurology  • Pediatrics  • Pediatrics, Other  • Pregnancy and Breast Feeding  • Magnetic Resonance Imaging  • Alert me on articles by topic

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

To the Editor: In their study of clinical and magnetic resonance imaging (MRI) correlates of cerebral palsy (CP), Dr Bax and colleagues¹ note that they were unable to achieve the target of identifying 100 children with CP. The authors provide 4 possible reasons for the failure to reach the anticipated numbers, but state that "the most likely explanation is that there was some underidentification of mild cases in most centers because of the organization of services and methods of identification. . . . There is no real evidence from the study that the lower numbers reflect a decrease in the 2-per-1000 live birth rate for CP." I would like to know the basis for their assertion that the lower numbers are because of their methods, not an actual decrease in the rate of CP.

In addition, the authors state that "26% of mothers had emergency cesarean deliveries, indicating that the obstetrician was well aware . . . [Full Text of this Article]

Russel D. Jelsema, MD
rdj_1960@hotmail.com
Michigan State University
Grand Rapids

RELATED LETTERS

MRI Findings and Cerebral Palsy
Colin L. Crawford
JAMA. 2007;297(5):465.
EXTRACT | FULL TEXT  

MRI Findings and Cerebral Palsy
Opher Caspi, Burris Duncan, Tong Li Han, and Li-Ping Zou
JAMA. 2007;297(5):466.
EXTRACT | FULL TEXT  

MRI Findings and Cerebral Palsy—Reply
Martin Bax, Olof Flodmark, and Clare Tydeman
JAMA. 2007;297(5):466-467.
EXTRACT | FULL TEXT  

MRI Findings and Cerebral Palsy—Reply
Michael E. Msall
JAMA. 2007;297(5):467.
EXTRACT | FULL TEXT