Table 21D
2011 Pediatric Nutrition Surveillance(1)
National
Summary of Trends in Anemia by Age
Children Aged Less Than 5 years (2)

Summary of Trends in Anemia by Age (3)
Anemia (4)
Age and Year

Number Included
in Analysis

Low Hb/Hct
%

6 - 11 Months 2011 476,607 18.0
2010 517,055 18.1
2009 512,557 17.8
2008 479,643 17.7
2007 474,481 17.8
2006 456,731 16.9
2005 423,505 16.0
2004 378,164 16.5
2003 370,968 16.4
2002 383,296 16.2
 
12 - 17 Months 2011 973,376 18.1
2010 1,067,605 18.2
2009 1,108,247 18.2
2008 1,091,546 18.0
2007 1,006,280 18.5
2006 926,054 17.0
2005 869,799 16.4
2004 874,061 16.5
2003 696,251 15.8
2002 654,996 15.1
 
18 - 23 Months 2011 656,131 15.2
2010 715,612 15.4
2009 752,323 15.6
2008 689,248 15.6
2007 632,427 16.0
2006 597,860 14.9
2005 574,477 14.4
2004 560,832 14.6
2003 463,385 14.5
2002 430,303 14.0
 
24 - 35 Months 2011 1,083,279 15.6
2010 1,178,028 15.6
2009 1,223,885 16.1
2008 1,093,432 16.0
2007 1,021,696 16.1
2006 976,762 15.3
2005 951,742 15.1
2004 957,443 15.0
2003 787,294 15.0
2002 748,232 14.5
 
36 - 59 Months 2011 1,834,225 10.5
2010 1,912,727 10.6
2009 1,927,184 11.2
2008 1,726,503 10.8
2007 1,624,704 10.9
2006 1,564,184 10.3
2005 1,561,564 10.1
2004 1,594,401 9.9
2003 1,282,455 9.9
2002 1,204,360 9.6
 
All Other/Unknown 2011 0 *
2010 0 *
2009 0 *
2008 0 *
2007 0 *
2006 0 *
2005 0 *
2004 0 *
2003 0 *
2002 0 *
 
Total All Age Groups 2011 5,023,618 14.4
2010 5,391,027 14.6
2009 5,524,196 14.9
2008 5,080,372 14.8
2007 4,759,588 15.0
2006 4,521,591 14.0
2005 4,381,087 13.6
2004 4,364,901 13.5
2003 3,600,353 13.4
2002 3,421,187 13.0
(1) Reporting period is January 1 through December 31.
(2) Analyses based on one record per child.
(3) Excludes records with unknown data or errors.
(4) Based on 1998 CDC MMWR, "Recommendations to Prevent and Control Iron Deficiency in the United States", altitude adjusted, children 6 months of age and older included in the analysis.
* Percentages are not calculated if < 100 records are available for analysis after exclusions.