title: Normal values of posterior antebrachial cutaneous nerve conduction study related to age, gender, height, and body mass index.
abstract: OBJECTIVE
  Recent studies have proposed posterior antebrachial cutaneous (PABC) nerve could help in interpretation of some conditions in upper limb electrodiagnostic study. This study aimed to establish these normal values and to assess the effect of sex, age, height, and body mass index on these normal values.
  
  
  METHODS
  Eligible participants were 84 healthy adult people aged between 22 and 75 years who underwent PABC nerve conduction studies.
  
  
  RESULTS
  The mean ± SD values of the base-to-peak amplitude, peak latency, and nerve conduction velocity of all participants were 10.95 ± 2.90 μV, 2.08 ± 0.20 milliseconds, and 57.85 ± 7.83 m/second, respectively. There was a significant positive correlation between the subjects' age and the PABC onset latency, peak latency, and nerve conduction velocity (r = 0.64, P < 0.001; r = 0.6, P < 0.001; and r = 0.44, P < 0.001, respectively). A significant negative correlation was observed between age and base-to-peak amplitude and peak-to-peak amplitude of participants, as well (r = -0.38, r = -0.41, P < 0.001, respectively). The correlation of body mass index with base-to-peak amplitude and peak-to-peak amplitude were r = -0.36, P < 0.001 and r = -0.40, P < 0.001, respectively.
  
  
  CONCLUSIONS
  This study has established normal values for PABC nerve conduction studies. Furthermore, age and body mass index must be taken into account for making diagnostic conclusion in PABC nerve conduction studies.
authors.affiliation: *Department of Physical Medicine and Rehabilitation, Burn Research Center, Iran University of Medical Sciences, Tehran, Iran; †Department of Physical Medicine and Rehabilitation, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; ‡Department of Physical Medicine and Rehabilitation, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; and §Brain And Spinal Injury Repair research center (BASIR), Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Simin
authors.initials: S
authors.lastname: Sajadi
authors.forename: Korosh
authors.initials: K
authors.lastname: Mansoori
authors.forename: Gholam R
authors.initials: GR
authors.lastname: Raissi
authors.forename: Seyede Z
authors.initials: SZ
authors.lastname: Emami Razavi
authors.forename: Mahsa
authors.initials: M
authors.lastname: Ghajarzadeh
mesh_terms: D000200:Action Potentials; D000328:Adult; D000367:Age Factors; D000368:Aged; D001827:Body Height; D015992:Body Mass Index; D003430:Cross-Sectional Studies; D004558:Electric Stimulation; D004568:Electrodiagnosis / Q000379:methods / Q000592:standards; D005260:Female; D005542:Forearm; D006801:Humans; D008297:Male; D008875:Middle Aged; D009431:Neural Conduction; D009460:Neurologic Examination; D011237:Predictive Value of Tests; D011826:Radial Nerve / Q000502:physiology*; D011930:Reaction Time; D012016:Reference Values; D012737:Sex Factors; D012867:Skin / Q000294:innervation*; D013997:Time Factors; D055815:Young Adult