Targeted screening for pediatric conditions with the CHICA system

Area of Science:

• Pediatric Health Informatics
• Clinical Decision Support Systems
• Public Health Screening

Background:

• Pediatric health maintenance requires efficient screening for common disorders.
• Risk-based screening for conditions like tuberculosis (TB) and iron-deficiency anemia can be time-consuming for physicians.
• Automated systems can potentially streamline the identification of at-risk children.

Purpose of the Study:

• To evaluate the Child Health Improvement through Computer Automation (CHICA) system's effectiveness in screening pediatric patients for tuberculosis (TB) and iron-deficiency anemia.
• To compare the detection rates of risk factors for these conditions using an automated system versus standard care.

Main Methods:

• A randomized controlled trial involving children aged 0-11 years was conducted.
• The intervention group utilized the CHICA system, prompting parents about TB and iron-deficiency anemia risk factors and providing physicians with tailored alerts.
• The control group received standard care with generic prompts for physicians.

Main Results:

• The CHICA intervention group showed significantly higher reporting of risk factors for iron-deficiency anemia (17.5% vs 3.1%) and TB (1.8% vs 0.8%) compared to the control group.
• The odds ratios for positive risk factors were 6.6 for iron-deficiency anemia and 2.3 for TB in the intervention group.
• The CHICA system demonstrated a higher detection rate for risk factors associated with both conditions.

Conclusions:

• The CHICA system effectively screens for pediatric tuberculosis and iron-deficiency anemia risk factors, identifying more at-risk children.
• Automated risk assessment by systems like CHICA can assist physicians in managing screening processes.
• While increased positive screens were observed, the study suggests the system performs well in assessing risk based on validated criteria.