| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Ratio | ΣN | Element | A ratio of two Quantity values - a numerator and a denominator + Rule: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present Elements defined in Ancestors: id, extension | |
  numerator | ΣC | 0..1 | Quantity | Numerator value |
 denominator | ΣC | 0..1 | SimpleQuantity | Denominator value |
| Documentation for this format | ||||