Table 4

Mortality (only death) and functional end-point (tracheostomy or death) of patients with amyotrophic lateral sclerosis

Total (N=3049)*Subgroup (N=714)†
DeathTracheostomy or deathDeathTracheostomy or death
N%N%N%N%
Age
 <401913.63021.4918.81327.1
 40–499829.312236.43943.34853.3
 50–5936146.242954.912565.814274.7
 ≥60115764.6126470.529776.931782.1
Sex
 Male100353.4113960.629064.432071.1
 Female63254.070660.318068.220075.8
Income‡
 High59054.267762.216063.518473.0
 Middle62953.671160.619068.120774.2
 Low41652.945758.112065.612970.5
Region
 Seoul city§30350.435258.68160.410175.4
 Metropolitan city¶37953.643661.711867.813074.7
 Other areas**95354.7105760.727166.728971.2
 Total163553.6184560.547065.852072.8
3-year mortality (N=1946)††101452.1120261.8
5-year mortality (N=714)††45563.750971.3
  • *Total study subjects (N=3049).

  • †Follow-up more than 5 years from first diagnosis among study subjects (N=714).

  • ‡Income-based insurance contributions.

  • §Seoul metropolitan city.

  • ¶Other metropolitan cities.

  • **Non-metropolitan area.

  • ††From first diagnosis.