Table 5 Intraclass correlation coefficient (ICC) for the FOUR score and the Glasgow Coma Scale in different patients

Consciousness

 Alert (33)

0.888 (0.776–0.945)

0.712 (0.422–0.857)

 Drowsy (28)

0.696 (0.351–0.859)

0.761 (0.489–0.889)

 Stuporous (44)

0.891 (0.801–0.940)

0.521 (0.126–0.738)

 Comatose (15)

0.879 (0.649–0.959)

0.696 (0.122–0.897)

Diagnosis

 TBI (53)

0.977 (0.959–0.986)

0.956 (0.924–0.975)

 Non-TBI (67)

0.964 (0.941–0.978)

0.959 (0.934–0.975)

Intubation

 Intubated (58)

0.940 (0.899–0.965)

0.858 (0.760–0.916)

 Non-intubated (62)

0.956 (0.927–0.973)

0.953 (0.922–0.972)