Table 1

Diagnosis of patients studied

Diagnosis No.
Total79
Neuromuscular
Poliomyelitis45
 Duchenne's muscular dystrophy15
 Other myopathy4
 Motor neurone disease
  Amyotrophic lateral sclerosis2
  Spinal muscular atrophy2
 Multiple sclerosis3
 Peripheral neuropathy2
Chest wall disorders
Kyphoscoliosis5
 Thoracoplasty for tuberculosis1