Table 5.
Literature review of nonoperative treatment outcomes
| Author/Year | Number of hips | Months followup (range) | Additional surgery (%) | Radiographic failure (%) |
|---|---|---|---|---|
| Coste et al./1965 [16] | 100 | 24 | – | 73 (73) |
| Merle d’Aubigne et al./1965 [49] | 90 | 36 (12–48) | – | 61 (68) |
| Boettcher et al./1970 [6] | 5 | (minimum 24) | – | 4 (80) |
| Zizic and Hungerford/1985 [98] | 15 | 44 | – | 13 (87) |
| Musso et al./1986† [58] | 50 | 30 | 34 (68) | 41 (82) |
| Steinberg et al./1989 [79] | 55 | 21 (6–120) | 46 (84) | – |
| Churchill and Spencer/1991 [13] | 18 | 60 | 9 (50) | 8 (44) |
| Ohzono et al./1991 [61] | 115 | 63 | – | 78 (68) |
| Stulberg et al./1991 [83] | 22 | 27 | 20 (91) | 11 (50) |
| Robinson and Springer/1993 [66] | 16 | 39 (24–61) | 7 (44) | 9 (56) |
| Bradway and Morrey/1993 [8] | 15 | 23 (3–66) | 13 (87) | 15 (100) |
| Koo et al./1995 [36] | 19 | (minimum 24) | – | 15 (79) |
| Jergesen et al./1997 [32] | 19 | 111 (51–81) | 11 (58) | 7 (41)* |
| Lai et al./2005 [39] | 25 | 24 | 17 (68) | 19 (76) |
| Ha et al./2006 [21] | 19 | (50–96) | – | 15 (79) |
| Hernigou et al./2006†† [26] | 121 | 168 (120–240) | 91 (75) | 93 (77) |
| Neumayr et al./2006 [59] | 21 | 36 | 3 (14) | – |
| Morse et al./2007 [57] | 67 | 23 (17–31) | 20 (30) | – |
| Total | 792 | 53 (3–240)‡ | 271 (63)‡‡ | 455 (72)¥ |
* Radiographs were only available for 17 patients; † Previous study not listed includes Bassett et al. [3]; †† Previous studies not listed include Hernigou et al. [23, 25]; ‡ Weighted average follow-up; ‡‡ Data for total of 429 hips; ¥ Data for total of 630 hips; – = Data meeting our definition of additional surgery or radiographic failure was not available.