Table 4 Average and median estimates of the Canadian prevalence for various neurological conditions
From: Clinician awareness of brain computer interfaces: a Canadian national survey
Quadriplegic CP with preserved cognition (n = 55) | Severe hemiplegic CP (n = 48) | Hemiplegia resulting from adult stroke (n = 58) | Spinal cord injury (High cervical or thoracic injury) (n = 70) | ALS or similar (Loss of all motor control) (n = 51) | Spinal muscular atrophy or Severe muscular dystrophy or similar (n = 57) | Brainstem stroke (Locked-in syndrome/ quadriplegia) (n = 65) | Total | |
|---|---|---|---|---|---|---|---|---|
Average Prevalence (95% CI*) | 5.4 per 100,000 (3.5–7.3) | 10.4 per 100,000 (6.6–14.2) | 50.9 per 100,000 (31.6–70.1) | 12.9 per 100,000 (8.6–17.1) | 4.1 per 100,000 (2.8–5.4) | 3.1 per 100,000 (2.1–4.0) | 0.7 per 100,000 (0.5–1.0) | - |
Average Prevalence x CAD pop.** (× 103) (95% CI*) | 1.9 (1.3–2.7) | 3.8 (2.4–5.2) | 18.6 (11.6–25.7) | 4.7 (3.1–6.3) | 1.6 (1.0–2.0) | 1.1 (0.8–1.5) | 0.3 (0.2–0.4) | 32 (20.4–43.8) |
Median Prevalence (95% CI*) | 2.5 per 100,000 (1–4) | 5 per 100,000 (2–10) | 20 per 100,000 (10–30) | 4.5 per 100,000 (2–10) | 2.5 per 100,000 (1.5–5) | 1.5 per 100,000 (1–2.5) | 0.3 per 100,000 (0.2–0.5) | - |
Median Prevalence x CAD pop.** (×103) (95% CI*) | 0.9 (0.4–1.5) | 1.8 (0.7–3.7) | 7.3 (3.7–11.0) | 1.7 (0.7–3.7) | 9.2 (0.6–1.8) | 0.6 (0.4–0.9) | 0.1 (0.1–1.8) | 13 (6.5–22.8) |