Table 5. Comparison of the incidence of the number of the nutrient foramen.
| Authors | No. of humerus (n) | Single nutrient foramen | Two nutrient foramen | Three nutrient foramen | Absent nutrient foramen |
| Carrol et al. (1963) [14] | 71 | 48 (68%) | 20 (28%) | 3 (4%) | - |
| Halagatti and Rangasubhe (2012) [15] | 200 | 161 (80.5%) | 35 (17.5%) | 4 (2%) | - |
| Joshi et al. (2011) [16] | 200 | 126 (63%) | 66 (33%) | 8 (4%) | - |
| Laing et al. (1956) [2] | 30 | 28 (93%) | 2 (7%) | - | - |
| Chandrasekaran et al. (2013) [3] | 258 | 198 (76.74%) | 53 (20.54%) | 7 (2.71%) | - |
| Mansur et al. (2016) [17] | 253 | 154 (60.87%) | 73 (28.85%) | 16 (6.32%) | - |
| Asharani and Ningaiah (2016) [18] | 120 | 104 (87%) | 20 (11%) | - | 2 (2%) |
| Pankaj et al. (2017) [19] | 350 | 283 (80.86%) | 47 (13.42%) | 01 (0.29%) | 19 (5.43%) |
| Ali (2021) [20] | 250 | 210 (84%) | 35 (14%) | - | 5 (2%) |
| Ramya Sree et al. (2019) [13] | 218 | 169 (81.19%) | 40 (18.35%) | 1 (0.45%) | 8 (3.67%) |
| Arfan et al. (2022) [4] | 86 | 52 (60.40%) | 25 (29.06%) | 5 (5.81%) | 4 (4.65%) |
| Bhatnagar et al. (2014) [21] | 70 | 63 (90%) | 5 (7.14%) | 1 (1.43%) | 1 (1.43%) |
| Present study (2022) | 80 | 73 (91.25%) | 3 (3.75%) | 1 (1.25%) | 3 (3.75%) |