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Table 3 Frequencies of medical conditions and of symptoms, per 1000 person-years, after the first tour at the index post, for those conditions with statistically significant differences between employees serving in Moscow and in the comparison group

From: Microwaves in the cold war: the Moscow embassy study and its interpretation. Review of a retrospective cohort study

Source of data Conditions Moscow   Comparison   Ratio of SMBRs
Number SMBR Number SMBR P value added
Medical records:
  General medical conditions: no significant differences in 15 conditions in males, and 18 in females
  Diseases or conditions; male employees
  Appendicitis 12 0.62 38.0 1.2 0.03 0.5
  Sleep walking 1 0.3 12 1.5 0.01 0.2
  Venereal disease 24 1.4 15 0.67 0.02 2.1
  67 other conditions: no significant differences     
  Diseases or conditions; female employees; 70 conditions: no significant differences
  Abnormal evaluations by body system: male employees; 19 body systems: no significant differences
  Abnormal evaluations by body system: female employees; 19 body systems: no significant differences
  Medical conditions by disease group; male employees
  Protozoal intestinal diseases 21 1.7 8.0 0.48 0.001 3.5
  Benign neoplasms 119 1.2 151 0.90 0.04 1.3
  Disease of nerves, peripheral ganglia 32 1.3 32.0 0.30 0.05 4.3
  Pneumonia 14 0.6 42 1.2 0.02 0.5
  40 other conditions: no significant differences
  Medical conditions by disease group; female employees
  Complications of pregnancy 11 1.7 9 0.67 0.04 2.5
  43 other conditions: no significant differences
Health history questionnaire:
  General conditions: male employees
  eye problems 98 1.3 65 0.76 0.002 1.7
  psoriasis 12 1.7 3 0.37 0.009 4.6
  skin conditions 63 1.2 45 0.81 0.04 1.5
  25 other medical conditions: no significant differences
  General conditions: female employees
  eye problems 33 1.4 28 0.76 0.03 1.8
  anaemia 16 1.6 10 0.64 0.03 2.5
  ulcers 6 2.1 3 0.49 0.04 4.3
  25 other medical conditions: no significant differences
  Symptoms: male employees
  depression 38 1.3 22 0.73 0.004 1.8
  irritability 40 1.3 20 2.4 0.009 0.5
  difficulty in concentrating 36 1.4 12 0.52 0.001 2.7
  memory loss 29 1.6 11 0.50 0.008 3.2
  16 other symptoms: no significant differences
  Symptoms: female employees
  difficulty in concentrating 17 1.6 9 0.58 0.02 2.8
  other symptoms 13 1.8 6 0.51 0.01 3.5
  18 other symptoms: no significant differences
  1. Ratio of SMbRs added by present author as an approximate measure.