Table 4

Crude and adjusted incidence per 100 000 person years of amyotrophic lateral sclerosis by catchment area and site of onset

RegistryCasesDenominator (person years)Incidence95% CIAdjusted incidence95% CI
Lancashire
 Spinal323 246 3340.90.6 to 1.20.90.6 to 1.2
 Generalised+bulbar223 246 3440.60.4 to 0.90.60.3 to 0.9
Ireland
 Spinal767 455 0001.00.8 to 1.31.31.0 to 1.6
 Generalised+bulbar727 455 0001.00.7 to 1.21.31.0 to 1.6
Lombardy
 Spinal1329 895 1081.31.1 to 1.61.21.0 to 1.4
 Generalised+bulbar589 895 1080.60.4 to 0.70.50.4 to 0.7
Piemonte
 Spinal1828 815 5642.11.8 to 2.41.71.5 to 2.0
 Generalised+bulbar838 815 5640.90.7 to 1.10.80.6 to 0.9
Puglia
 Spinal967 959 5761.21.0 to 1.41.21.0 to 1.4
 Generalised+bulbar347 959 5760.40.3 to 0.60.40.3 to 0.6
Scotland
 Spinal15310 124 0221.51.3 to 1.81.51.3 to 1.7
 Generalised+bulbar4110 124 0220.40.3 to 0.50.40.3 to 0.5