Table 2 Number of fractures, and fraction within fracture type group, treated with each fixation method for different fracture subtypes in the 2 treatment groups
Fracture typec | Treatment protocol: MSP/DHSa | Treatment protocol: IMN/DHSb | ||||
|---|---|---|---|---|---|---|
DHS | MSP biaxial | MSP locked uniaxial | IMN | DHS | IMN | |
Stable pertrochanteric | 56 (77%) | 17 (23%) | 0 | 0 | 59 (98%) | 1 (2%) |
JM1 | 28 (88%) | 4 (12%) | 39 (98%) | 1 (2%) | ||
JM2 | 28 (68%) | 13 (32%) | 20 (100%) | 0 | ||
Unstable pertrochanteric | 30 (9%) | 288 (82%) | 32 (9%) | 0 | 163 (65%) | 88 (35%) |
JM3 | 13 (16%) | 60 (74%) | 8 (10%) | 67 (89%) | 8 (11%) | |
JM4 | 12 (20%) | 43 (73%) | 4 (7%) | 13 (59%) | 9 (41%) | |
JM5 | 5 (2%) | 185 (88%) | 20 (10%) | 83 (54%) | 71 (46%) | |
Subtrochanteric | 6 (9%) | 5 (7%) | 42 (61%) | 16 (23%) | 4 (8%) | 49 (92%) |
Divergence from treatment protocold | ||||||
JM1-JM2 with no lateral or no posterior support or JM3-JM4-JM5 | 31 (1e) | |||||
JM 3–4-5 with no lateral support | 6 (2e) | |||||
JM3-JM4-JM5 with no lateral or no posterior support or subtrochanteric | 8 (0e) | |||||