Computed tomography reference values estimation for femoral neck shaft angle in Egyptian healthy adults of both sexes

Egyptian Journal of Radiology and Nuclear Medicine

Table 11 Neck shaft angle (NSA) in other studies

References	Method	Population	Age (range)	N	Mean (SD)
Adekoya-Cole et al. [32]	AP radiograph	Nigeria	22–67	68 m	131.57° ± 5.66°
Adekoya-Cole et al. [32]	AP radiograph	Nigeria	22–67	64 f	129.97° ± 6.33°
Shrestha et al. [33]	AP radiograph	Nepalese	21–60	74 m	132.96 ± 6.05°
Shrestha et al. [33]	AP radiograph	Nepalese	21–60	74 f	134.06 ± 6.58°
Kaur et al. [25]	AP radiograph	India	20–68	55 m	129.26 ± 4.22°
Kaur et al. [25]	AP radiograph	India	20–68	55 f	126.62 ± 2.52°
Boese et al. [29]	CT, coronal reconstruction	Germany	18–89	400 m	133 ± 7°
Boese et al. [29]	CT, coronal reconstruction	Germany	18–89	400 f	134.3 ± 6.6°
Jiang et al. [34]	CT and X-ray	China	18–93	239 m	134.02 ± 4.4°
Jiang et al. [34]	CT and X-ray	China	18–93	57 f	133.76 ± 3.75°
Altubasi et al. [35]	CT	Jordan	21–82	64 m	131.7 ± 4.5°
Altubasi et al. [35]	CT	Jordan	21–82	36 f	131.3 ± 5.2°
Mitra et al. [36]	AP radiograph	Iran	24–42	100 m	127.5 ± 5.3°
Mitra et al. [36]	AP radiograph	Iran	24–42	100 f	125.4 ± 6°