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Table 7 Comparative results between the present work and Abdel-Karim et al. study

From: Sexual dimorphism of foramen magnum: An Egyptian study

Variables (cm.)

Present study

Abdel-Karim et al. [2015]

Male (n=163)

Female (n=204)

Male (n=46)

Female (n=24)

Mean ± SD

Min-Max

Mean ± SD

Min-Max

Mean ± SD

Min-Max

Mean ± SD

Min-Max

Right occipital condylar width

1.16±0.13

0.84-1.48

1.11±0.14

0.80-1.49

1.22+1.11

0.9-1.5

1.11+.111

1.0-1.3

Left occipital condylar width

1.12±0.13

0.77-1.41

1.13±0.12

0.73-1.43

1.2+.121

0.9-1.5

1.08+.119

0.9-1.3

Right occipital condylar length

2.08±0.24

1.53-2.88

1.89±0.25

1.25-3.07

2.69+.2411

2.1-3.2

2.4+.133

2-3

Left occipital condylar length

2.07±0.24

1.09-2.64

1.97±0.22

1.36-2.52

2.71+.256

2.1-3.2

2.37+.144

2.1-2.7

Maximum intercondylar distance

2.89±0.59

1.34-5.35

2.72±0.49

1.82-4.77

3.16+.327

2.6-4.0

3.04+.210

2.6-3.5

Minimum intercondylar distance

1.54±0.90

0.76-9.11

1.37±0.31

0.70-2.23

.722+.133

0.4-1.0

.68+.087

0.5-0.8

Foramen magnum width

3.15±0.26

2.25-3.85

2.99±0.27

2.45-3.85

3.4+.343

2.5-4.4

3.14+.208

2.8-3.5

Foramen magnum length

3.68±0.33

2.55-5.19

3.57±0.33

2.82-4.69

4.22+.378

3.4-5.1

3.88+.352

3.3-4.5