Anatomy Research International / 2014 / Article / Tab 4

Research Article

Morphometric Analysis of Lateral Masses of Axis Vertebrae in North Indians

Table 4

Comparison of superior and inferior articular facets length and width of axis vertebrae.

Worker and yearPopulationSAFL
mean (mm) and S.D range (mm)
SAFW
mean (mm) and S.D range (mm)
IAFL
mean (mm) and S.D range (mm)
IAFW
mean (mm) and S.D range (mm)

Francis 1955 [13]White males 109 Rt.
 18.8 ± 1.6
 15–23
Lt.
 18.7 ± 1.5
 15–23
Rt.
 16.7 ± 1.6
 14–22
Lt.
 18.3 ± 1.7
 15–23
Rt.
 11.0 ± 1.7
 8–18
Lt.
 11.3 ± 1.5
 9–16
Rt.
 11.9 ± 1.4
 9–16
Lt.
 12.1 ± 1.5
 9–17
White females 27Rt.
 18.0 ± 1.8
 14–20
Lt.
 17.4 ± 1.4
 14–20
Rt.
 15.1 ± 1.3
 13–18
Lt.
 16.7 ± 1.7
 12–20
Rt.
 11.6 ± 1.3
 9–14
Lt.
 11.1 ± 1.4
 9–14
Rt.
 10.7 ± 1.1
 9–13
Lt.
 11.4 ± 1.2
 10–15
Negro males 135 Rt.
 19.0 ± 1.3
 16–22
Lt.
 18.9 ± 1.5
 16–22
Rt.
 17.7 ± 1.4
 15–21
Lt.
 17.9 ± 1.4
 15–21
Rt.
 12.0 ± 1.7
 9–16
Lt.
 11.4 ± 1.8
 8–16
Rt.
 11.3 ± 1.6
 8–15
Lt.
 11.8 ± 1.4
 9–15
Negro females 57Rt.
 17.6 ± 1.3
 15–20
Lt.
 17.7 ± 1.5
 15–21
Rt.
 15.7 ± 1.1
 14–18
Lt.
 16.1 ± 1.4
 13–19
Rt.
 11.2 ± 1.1
 9–13
Lt.
 11.0 ± 1.2
 9–14
Rt.
 10.7 ± 1.1
 9–14
Lt.
 11.1 ± 1.1
 9–13

Xu et al. 1995 [4]Ohio males 3018.2 ± 1.5
16–23
17.6 ± 1.3
16–21
Ohio females 2017.1 ± 1.1
15–19
16.9 ± 1.3
14–19

Gupta and Goel 2000 [9]Maharashtrian 5016.5
13–20.5
15.9
12–19.5
10.59
7–15
9.58
6–15

Lalit et al. (Present Study) 2014North Indians 60Rt.
 16.49 ± 1.61
 13.90–20.50
Lt.
 16.18 ± 1.70
 13.50–20.90
Mean
 6.34 ± 1.56
 13.90–20.70
Rt.
 14.39 ± 2.01
 11.00–18.20
Lt.
 14.31 ± 1.62
 11.40–17.30
Mean
 14.35 ± 1.75
 11.40–17.70
Rt.
 11.26 ± 1.46
 8.70–14.00
Lt.
 10.99 ± 1.68
 7.80–15.00
Mean
 11.13 ± 1.43
 8.80–14.50
Rt.
 7.83 ± 1.27
 5.80–11.80
Lt.
 7.94 ± 1.64
 4.80–12.40
Mean
 7.89 ± 1.30
 6.70–10.20