Table 5.
Survival of patients with IIM at previous reports and this study
| First author, published year (Ref) | location | Follow-up | Mean follow-up | No. of patients | Clinical-pathologic subgroup | Survival rates (%) | ||
|---|---|---|---|---|---|---|---|---|
| 1-year | 5-year | > 5-year | ||||||
| Medsger 1971 [10] | USA | 1947-1968 | 7 years | 124 | PM, DM, JDM, OM, CAM | 72 | 65 | 53(7 yr) |
| Benbassat1985 [8] | Israel | 1956-1976 | 20 years | 92 | PM, DM, JDM, OM, CAM | 72 | 52 | -- |
| Hochberg1986 [11] | USA | 1970-1981 | 8 years | 76 | PM, DM, JDM, OM | 94.5 | 80.4 | 72.8 (8 yr) |
| Maugars 1996 [9] | France | 1973-1998 | -- | 69 | PM, DM, JDM, OM, CAM | 82.6 | 66.7 | 55.4 (9 yr) |
| Uthman 1996[31] | France | 1980-1992 | 5.2 years | 30 | PM, DM, CAM, OM | -- | 89 | 85(10 yr) |
| Marie 2001 [12] | France | 1983-1999 | 4 years | 77 | PM, DM, CAM | 83 | 77 | 61 (15 y) |
| Sultan 2002 [1] | England | 1978-1999 | 20 years | 46 | PM, DM, JDM, OM | 95 | 83.8 (10 yr) | |
| Dankó2004 [15] | Hungary | 1976-2002 | 8.46 years | 162 | PM, DM, JDM, OM, CAM | 95 | 92 | 89 (10 yr) |
| Troyanov2005[7] | France | 1967-2001 | 8.7 years | 100 | PM. DM, CAM, OM | -- | -- | 73(10 yr) |
| Airio. 2006 [32] | Finland | 1965-1995 | 11 years | 248 (176PM/72DM) |
PM, DM | -- | 75(PM) 63(DM) |
55(PM 53(DM) |
| Torres, et al 2006 [33] | Spain | 1976-2005 | 9 years | 107 | PM, DM, JM, OM, OM, CAM | 92 | 80 | 71(10 years) |
| Yamasaki Y, et al 2011[29] | Japan | 1984-2010 | --- | 197 | PM, DM, ADM, CADM, OM | 85 | 75 | 67(10 years) |
| Ours 2011 | China | 1986-2010 | 7.5 years | 188 | PM, DM, ADM, JM, OM, CAM | 93.6% | 88.7 | 81(10 years), 76.6(15 years) 65.6 (20 years) |
Ref, reference; PM, polymyositis; DM, dermatomyositis; CAM, cancer associated myositis; OM, overlap myositis; JM, Juvenile PM/DM.