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Table 1 Each Component and Score Allotment of Japanese version of the NEECHAM Confusion Scale

From: Reduction in the rate of postoperative delirium by switching from famotidine to omeprazole in Japanese hepatectomized recipients

Subscale 1 Recognition-information processing (14 points)
▪ Attention: Attention-Alertness-Responsiveness (0–4 points)
▪ Command: Recognition-Interpretation-Action (0–5 points)
▪ Orientation: Orientation-Short-term memory-Thought/Speech content (0–5 points)
Subscale 2 Behavior (10 points)
▪ Appearance (0–2 points)
▪ Motor (0–4 points)
▪ Verbal (0–4 points)
Subscale 3 Physiologic control (6 points)
▪ Vital function stability (0–2 points)
▪ Oxygen saturation stability (0–2 points)
▪ Urinary continence control (0–2 points)
Total score (0–30 points)
▪ 0–19 points: Moderate to severe confusion
▪ 20–24 points: Mild or early development of confusion
▪ 25–26 points: “Not Confused,” but at high risk of confusion
▪ 27–30 points: “Not Confused,” or normal function