Accurate Zone: boxes 1, 5, 9 & +/− 10% wedge. The Accurate Zone of the Risk Grid includes: a wedge in which the estimate is +/−10% of the actual value; boxes 1 and 5 in which compromise below 50 and 80% of personal best is recognized as such; and box 9 in which adequate function (above 80% of personal best) is recognized.
Danger Zone: boxes 4, 7 & 8. The Danger Zone of the Risk Grid includes : points that fall in boxes 4, 7, and 8, where clinically significant compromised function (below 80% of personal best) is not recognized by the patient.
Symptom Magnification Zone: boxes 2, 3 & 6. The Symptom Magnification Zone includes boxes 2, 3, and 6 and reflects oversensitivity to minor symptoms or exaggeration of symptoms.