- Patients should have anthropometric measurements suggestive of decreased subcutaneous fat content: Decreased triceps skinfold thickness (< 4 mm in men and < 8 mm in women) or Decreased upper arm circumference (< 27.1 cm in men and < 23.3 cm in women) or Decreased subscapular skinfold thickness (< 7 mm in men and < 7 mm in women) or dual energy X-ray absorptiometry (DEXA) scanning suggestive of fat depletion: total body fat < 14% in men and < 22% in women.