Table 3. Table with prevalence for articles employing the unclassified, Natsis, and Rengachary methods.
ND, no data available; SS, suprascapular; SSN, suprascapular notch
| Author | Absent SSN (%) | U-shaped (%) | V-shaped (%) | SS foramen (%) | SS foramen and notch (%) | Incomplete ossification (%) | Small V-shaped (%) | J-shaped (%) | Double foramen (%) |
| Natsis et al. (2007) [1] | 8.27 | 41.84 | 41.84 | 7.32 | 0.71 | ND | ND | ND | ND |
| Rengachary et al. (1979) [3] | 7.96 | 48.23 | 30.97 | 3.98 | ND | 5.75 | 3.10 | ND | ND |
| Raj et al. (2019) [7] | 2.00 | 76.00 | 20.40 | 1.60 | ND | ND | ND | ND | ND |
| Soni et al. (2012) [8] | 5.00 | 72.00 | 20.00 | 3.00 | ND | ND | ND | ND | ND |
| Adewale et al. (2020) [11] | 14.00 | 50.00 | 12.00 | 8.00 | ND | 4.00 | 12.00 | ND | ND |
| Agrawal et al. (2014) [12] | 13.65 | 45.05 | 23.55 | ND | ND | ND | 17.75 | ND | ND |
| Agrawal et al. (2015) [13] | 4.25 | 26.37 | 52.60 | ND | ND | ND | 3.84 | ND | ND |
| Albino et al. (2013) [15] | 12.40 | 22.80 | 19.80 | 3.60 | ND | 10.20 | 31.00 | ND | ND |
| Benia et al. (2023) [16] | 8.06 | ND | ND | 6.45 | ND | 16.13 | ND | ND | ND |
| Daripelli et al. (2020) [17] | 27.50 | 30 | 22.5 | 10.00 | ND | 4.50 | 5.50 | ND | ND |
| Emad et al. (2017) [18] | 10.00 | 43.00 | 39.00 | 5.00 | 3.00 | ND | ND | 23.00 | ND |
| Inoue et al. (2014) [19] | 11.41 | 30.05 | 23.50 | 4.33 | ND | 15.88 | 14.83 | ND | ND |
| Inoue et al. (2021) [20] | 20.47 | 34.42 | 18.30 | 3.62 | ND | 9.42 | 13.76 | ND | ND |
| Iqbal et al. (2009) [21] | 18.00 | 13.20 | 20.00 | ND | ND | ND | ND | 22.00 | ND |
| Jamwal et al. (2018) [22] | 21.97 | 64.83 | 1.10 | 6.60 | ND | 4.40 | 1.10 | ND | ND |
| Kannan et al. (2014) [23] | 20.00 | 52.00 | 10.00 | 10.00 | ND | 4.00 | 4.00 | ND | ND |
| Khalkho et al. (2018) [24] | 10.14 | 36.23 | 34.78 | 4.34 | ND | 7.24 | 7.24 | ND | ND |
| Kumar et al. (2014) [25] | 35.08 | 54.03 | 8.46 | 10.48 | ND | ND | ND | ND | ND |
| Mahdy and Shehab (2013) [26] | 6.06 | 45.45 | 43.94 | 3.03 | 1.51 | ND | ND | ND | ND |
| Nayak and Gujar (2020) [27] | 28.00 | 47.04 | 12.00 | 8.95 | ND | 1.90 | 2.10 | ND | ND |
| Sangam et al. (2013) [29] | 21.15 | 59.61 | 8.65 | 1.92 | ND | 5.77 | 2.88 | ND | ND |
| Toneva and Nikolova (2014) [30] | 15.68 | 25.5 | 44.11 | 2.94 | ND | 11.76 | ND | ND | ND |
| Ukoha et al. (2022) [31] | 3.10 | 70.46 | 22.28 | ND | ND | 3.10 | 1.03 | ND | ND |
| Wang et al. (2011) [33] | 9.50 | 57.96 | 28.13 | 4.06 | ND | ND | ND | ND | 0.33 |
| Yamakado (2016) [34] | 8.29 | 39.47 | 24.86 | 3.55 | ND | 5.13 | 18.68 | ND | ND |
| Yang et al. (2012) [35] | 4.85 | ND | ND | 3.88 | ND | ND | ND | ND | ND |
| Zhang et al. (2019) [36] | ND | 48.37 | 6.16 | 2.92 | ND | 1.94 | ND | ND | 0.65 |