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Table 1 Summary of patient clinical status. The clinical diagnosis states in the brackets were obtained after the experiment

From: Detecting number processing and mental calculation in patients with disorders of consciousness using a hybrid brain-computer interface system

Patient Clinical diagnosis CRS-R score (sub-scores)
Before the experiment After the experiment
VS1 VS (VS) 6 (1-0–2–1–0–2) 6 (1–0–2–1–0–2)
VS2 VS (EMCS) 7 (1–1–2–1–0–2) 17 (4–4–5–1–1–2)
VS3 VS (VS) 4 (1–1–0–0–0–2) 6 (1–0–2–1–0–2)
VS4 VS (EMCS) 3 (0–0–1–0–0–2) 23 (4–5–6–3–2–3)
VS5 VS (MCS) 6 (1–0–2–1–0–2) 10 (2–0–4–2–0–2)
VS6 VS (VS) 5 (1–0–1–1–0–2) 6 (1–0–2–1–0–2)
MCS1 MCS (EMCS) 10 (1–3–3–1–0–2) 19 (3–5–6–1–1–3)
MCS2 MCS (MCS) 8 (1–2–2–1–0–2) 9 (1–2–3–1–0–2)
MCS3 MCS (MCS) 8 (1–2–2–1–0–2) 9 (1–3–2–1–0–2)
EMCS1 EMCS (EMCS) 16 (1–3–5–3–2–2) 23 (4–5–6–3–2–3)
EMCS2 EMCS (EMCS) 14 (1–3–3–3–2–2) 20 (4–5–3–3–2–3)
  1. Note: Coma Recovery Scale–Revised subscales: auditory, visual, motor, oromotor, communication, and arousal functions