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Table 1 Comparisons between the two groups of dental technicians included in the study

From: High prevalence of extrapyramidal signs and symptoms in a group of Italian dental technicians

Variables Subjects who underwent neurological examination (n = 14) Subjects who did not undergo neurological examination (n = 13) p value
Mean age (years) 50 ± 5.9 48.1 ± 5 n.s.
Mean exposure to dental work (years) 25.6 ± 3 24.0 ± 3.1 n.s.
Subjects with at least four positive answers in questionnaire for parkinsonism (y/n) 7/7 5/8 n.s.
GHQ* mean total score 28.7 ± 14.9 26.0 ± 12.2 n.s.
Somatic symptoms mean score (GHQ) 8.0 ± 4.4 7.0 ± 4.5 n.s.
Anxiety mean score (GHQ) 8.4 ± 5.2 8.0 ± 5.1 n.s.
Social dysfunction mean score (GHQ) 9.8 ± 3.7 8.2 ± 1.4 n.s.
Depression mean score (GHQ) 2.5 ± 4.2 2.8 ± 2.6 n.s.
Subjects with a total score of 6 or above in the GHQ (y/n) 8/6 7/6 n.s.
  1. * The General Health Questionnaire