CDC's Pediatric and Pregnancy Nutrition Surveillance System

Low or High Standard Deviation Edit Criteria: The standard deviation (SD) is an average amount that a measurement differs from the median or average measurement. It is an expression of the "variability" of measurement. The field numbers, names, and edit criteria include:
Field Numbers	Field Names	Criteria
37	Hemoglobin—Prenatal Visit	< 0.8 (g/dL) or >1.3 (g/dL) (expected SD:0.9-1.2)
38	Hematocrit—Prenatal Visit	< 2.4 (%) or >3.6 (%) (expected SD: 2.5-3.5)

Low or High Standard Deviation

Edit Criteria: The standard deviation (SD) is an average amount that a measurement differs from the median or average measurement. It is an expression of the "variability" of measurement. The field numbers, names, and edit criteria include:

Field
Numbers

Field Names

Criteria

Hemoglobin—Prenatal Visit

< 0.8 (g/dL) or >1.3 (g/dL) (expected SD:0.9-1.2)

Hematocrit—Prenatal Visit

< 2.4 (%) or >3.6 (%) (expected SD: 2.5-3.5)

PNSS Edit Criteria