Table 6. ADC values of cranial bone marrow at different elevations in the age range of 15–29 years.

Altitude range (m)	n	ADC values (×10–3 mm2/s)
		Parietal bone	Occipital bone	Frontal bone	Temporal bone
2,000–3,000	100	0.62±0.23	0.64±0.25	1.00±0.26	1.00±0.23
3,100–4,000	80	0.66±0.24	0.68±0.22	1.00±0.22	1.05±0.25
≥4,100	70	0.69±0.26	0.67±0.24	1.05±0.24	1.05±0.26
F (P)		1.608 (0.202)	0.527 (0.591)	0.989 (0.373)	1.003 (0.368)
r (P)		0.088 (0.166)	0.045 (0.481)	0.083 (0.192)	0.089 (0.161)

ADC, apparent diffusion coefficient.