“…in a study of 915 healthy participants, niederau and colleagues 15 also found similar values; the mean value was 10.5 ± 1.5 on the midclavicular line. in a random sample of 2,080 participants including healthy and ill adults, Kratzer and colleagues 14 found an ultrasonic mean value of 14 ± 1.7 cm on the midclavicular line.…”