Table 2.

Symptom-domain state definitions used in the multi-state model.

State	JOA domain pattern	Clinical description
1	All domains normal	Asymptomatic
2	≥ 1 sensory abnormality; motor and bladder normal	Sensory-only impairment
3	Upper-extremity motor abnormality only	Isolated upper-extremity motor deficit
4	Lower-extremity motor abnormality only	Isolated lower-extremity motor deficit
5	Upper- and lower-extremity motor abnormalities; bladder normal	Combined motor impairment
6	Bladder abnormality irrespective of other domains	Sphincter involvement