Median annual earnings of physical therapist aides were $20,670 in 2002. The middle 50 percent earned between $17,430 and $24,560. The lowest 10 percent earned less than $15,290, and the highest 10 percent earned more than $29,990. Median annual earnings of physical therapist aides in 2002 were $20,690 in general medical and surgical hospitals and $19,840 in offices of other health practitioners.