Table 3.
Comparison of AVN rates of the modified Dunn procedure in different studies
| Author (year) | Total hips | Stable | Unstable | Total AVN | AVN in stable slips* | AVN in unstable slips** |
|---|---|---|---|---|---|---|
| Ziebarth (2009) [15] | 40 | 70% | 30% | 0 | – | – |
| Slongo (2010) [21] | 23 | 87% | 13% | 4% | 1/1 | Nil |
| Madan (2013) [31] | 28 | 39% | 61% | 7.1% | Nil | 2/2 |
| Souder (2014) [33] | 17 | 59% | 41% | 24% | 2/4 | 2/4 |
| Novais (2015) [34] | 15 | 100% | – | 6.6% | 1/1 | – |
| Javier (2017) [23] | 21 | 29% | 71% | 47.6% | 2/10 | 8/10 |
| Novais (2018) [26] | 27 | – | 100% | 26% | – | 7/7 |
| Ebert (2019) [27] | 15 | 100% | – | 26% | 4/4 | – |
| Lerch (2019) [28] | 46 | 70% | 30% | 5% | 2/2 | Nil |
| Our study (2020) | 30 | 63% | 37% | 6.6% | Nil | 2/2 |
*Cases of AVN in stable slips / Total cases of AVN in the study
**Cases of AVN in unstable slips / Total cases of AVN in the study