Risser Model for Predicting the Prognosis of Adolescent Idiopathic Scoliosis (AIS) at Skeletal Maturity | University of Iowa Stead Family Children's Hospital

Risser Model (Simplified)

Estimates the probability of a poor prognosis (Cobb angle progression ≥45° prior to skeletal maturity) without treatment.

Age at initial visit in years (9-16)

Sex

Maximum Cobb Angle

Risser Grade

I understand that the information I receive here is not meant to replace my own physician's advice, and agree to the disclaimer.

I understand that the information I receive here is not meant to replace my own physician's advice, and agree to the disclaimer.

Risser Model (Complete)

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Estimates the probability of a poor prognosis (Cobb angle progression ≥45° prior to skeletal maturity) without treatment and with 6, 12 or 18 hours of brace wear per day.

Age at initial visit in years (9-16)

Sex

Maximum Cobb Angle

Risser Grade

I understand that the information I receive here is not meant to replace my own physician's advice, and agree to the disclaimer.

I understand that the information I receive here is not meant to replace my own physician's advice, and agree to the disclaimer.