Table 1 The outcomes of AVN after PFNF in the published literature as described by the Ratliff classification system and assessment
Authors | Year | Patients | Mean age, years (range) | AVN | Ratliff classification* | Ratliff assessment** | |||
|---|---|---|---|---|---|---|---|---|---|
I | II | III | Satisfied | Unsatisfied | |||||
Stone et al. [5] | 2015 | 22 | 11.0 (4.5–17.4) | 8 | 5 | 2 | 1 | 3 | 5 |
Panigrahi et al. [6] | 2015 | 28 | 10.5 (4–15) | 4 | 0 | 2 | 2 | NA | NA |
Bukva et al. [7] | 2015 | 28 | 10.7 (4–14) | 11 | 6 | 3 | 2 | NA | NA |
Hadju et al. [8] | 2011 | 8 | 11.6 (3–15) | 1 | 0 | 1 | 0 | NA | NA |
Bali et al. [9] | 2011 | 36 | 10.0 (3–16) | 7 | 6 | 1 | 0 | 0 | 7 |
Nayeemuddin et al. [10] | 2009 | 14 | 10.0 (6–14) | 1 | 1 | 0 | 0 | 0 | 1 |
Inan et al. [11] | 2009 | 39 | 11.1 (4–16) | 11 | 8 | 1 | 2 | 1 | 10 |
Varshney et al. [12] | 2009 | 21 | 11.8 (5–15) | 3 | 1 | 2 | 0 | NA | NA |
Dhammi et al. [13] | 2005 | 26 | 10.8 (3–17) | 4 | NA | NA | NA | 0 | 4 |
Togrul et al. [14] | 2005 | 61 | 10.2 (2–14) | 9 | 8 | 1 | 0 | NA | NA |
Flynn et al. [15] | 2002 | 18 | 8.0 (2–13) | 1 | 0 | 1 | 0 | NA | NA |
Bagatur et al. [16] | 2002 | 17 | 11.0 (7–14) | 9 | 4 | 2 | 3 | 0 | 9 |
Mirdad et al. [17] | 2002 | 14 | 9.1 (4–16) | 7 | 4 | 3 | 0 | NA | NA |
Morsy et al. [18] | 2001 | 53 | 10.2 (3–16) | 21 | NA | NA | NA | 0 | 21 |
Ng et al. [19] | 1996 | 32 | 9.5 (NA) | 9 | 7 | 1 | 1 | NA | NA |
Forlin et al. [20] | 1992 | 16 | 11.7 (4.6–16) | 14 | 5 | 5 | 4 | 2 | 12 |
Canale et al. [21] | 1977 | 60 | 9.7 (0.5–17) | 26 | 21 | 1 | 4 | 1 | 25 |
Chong et al. [22] | 1975 | 20 | NA (5–19) | 10 | 5 | 5 | 0 | 2 | 8 |
Zolczer et al. [23] | 1972 | 27 | NA (13–19) | 7 | 2 | 5 | 0 | 5 | 2 |
Lam et al. [24] | 1971 | 75 | NA (≦ 17) | 11 | 6 | 2 | 3 | NA | NA |
Ratliff [2] | 1962 | 71 | NA (< 17) | 29 | 15 | 7 | 7 | 3 | 26 |
Total | 686 | 203 | 104 | 45 | 29 | 17 | 130 | ||
Percentage | 29.6% | 58.4% | 25.3% | 16.3% | 11.6% | 88.4% | |||