Table 7. ADC values of cranial bone marrow at different elevations in the age range of 30–49 years.

Altitude range (m)	n	ADC values (×10–3 mm2/s)
		Parietal bone	Occipital bone	Frontal bone	Temporal bone
2,000–3,000	100	1.00±0.24	0.57±0.24	1.01±0.23	0.57±0.19
3,100–4,000	80	1.02±0.25	0.65±0.23	0.99±0.24	0.61±0.27
≥4,100	70	1.03±0.27	0.69±0.26	0.98±0.24	0.70±0.28
F (P)		0.417 (0.659)	5.038 (0.007)	0.229 (0.796)	5.920 (0.003)
r (P)		0.084 (0.184)	0.175 (0.006)	−0.046 (0.466)	0.179 (0.005)

ADC, apparent diffusion coefficient.