Table 1.
Incidence of rhomboid fossa of clavicle between male and female.
| Genders | Numbers | Ages (years) (mean ± SD) |
Types of rhomboid fossa of clavicle | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Type 1: smooth | Type 2: flat | Type 3: elevated | Type 4: depressed | |||||||
| Left | Right | Left | Right | Left | Right | Left | Right | |||
| Males |
N = 270 (Lt = 135, Rt = 135) |
15–86 (~61 ± 16.10) |
0 (0%) | 1 (0.74%) | 32 (23.70%) | 16 (11.85%) | 92 (68.15%) | 113 (83.70%) | 11 (8.14%) | 5 (3.70%) |
| Total = 0.74% | Total = 35.55% | Total = 151.85%∗∗ | Total = 11.84%∗ | |||||||
|
| ||||||||||
| Female |
N = 206 (Lt = 103, Rt = 103) |
26–94 (~60 ± 13.38) |
0 (0%) | 0 (0%) | 25 (24.27%) | 21 (20.38%) | 78 (75.73%) | 80 (77.67%) | 0 (0%) | 2 (1.94%) |
| Total = 0% | Total = 44.65% | Total = 153.40%∗∗ | Total = 1.94% | |||||||
|
| ||||||||||
| Total | N = 476 | 60.5 ± 14.74 (average) |
1 (0.21%) | 94 (19.75%) | 363 (76.26%)∗∗ | 18 (3.78%) | ||||
∗∗ P < 0.005 (Type 3 versus Type 1, 2, or 4).
∗ P < 0.05 (males versus female).