Table 8. ADC values of cranial bone marrow at different elevations in the age range of ≥50 years.

Altitude range (m)	n	ADC values (×10–3 mm2/s)
		Parietal bone	Occipital bone	Frontal bone	Temporal bone
2,000–3,000	80	0.97±0.25	0.53±0.21	1.03±0.25	0.52±0.21
3,100–4,000	60	0.97±0.24	0.56±0.20	1.00±0.24	0.57±0.27
≥4,100	50	0.99±0.26	0.64±0.21	0.95±0.27	0.65±0.27
F (P)		0.075 (0.928)	4.636 (0.011)	1.517 (0.222)	4.414 (0.013)
r (P)		0.014 (0.851)	0.188 (0.009)	-0.111 (0.127)	0.182 (0.012)

ADC, apparent diffusion coefficient.