Table 2

Questionnaire scores in the exposed and control groups

Exposed to Cd (n=42)Controls (n=47)p Values
t test
Mean (SD)Mean (SD)
Polyneuropathy complaint score2-150 2-151 1.43 (1.32)1.23 (1.20)0.004
Autonomic nervous system complaint score2-150 1.59 (0.37)1.50 (0.36)>0.10
NSC-60 category scores2-150:
 Sensorimotor1.61 (0.59)1.37 (0.35)0.025
 Equilibrium2-151 1.27 (1.39)1.09 (1.23)0.015
 Concentration ability2.17 (0.57)1.95 (0.50)0.053
 Neurotoxicity1.80 (0.44)1.59 (0.34)0.016
 Somatic complaints2-151 1.57 (1.38)1.43 (1.32)>0.10
 Mood1.79 (0.57)1.60 (0.50)>0.10
 Fatigue2.02 (0.64)1.81 (0.47)0.079
 Sleeping difficulties2-151 1.74 (1.46)1.60 (1.43)>0.10
 Chest complaints2-151 1.36 (1.42)1.28 (1.33)>0.10
  • 2-150 Scores from 1 (no complaints) to 4 (always complaints).

  • 2-151 Statistical analysis after log normal transformation of the data: geometric means (GSDs).