Table 3.
Variables | ≤6 h 5 (25%) | >6 h 15 (75%) | p-Values | |
---|---|---|---|---|
Causes of Amputation | Mechanical trauma | 1 (5%) | 1 (5%) | n.s. |
Chemical reaction | 3 (15%) | 4 (20%) | n.s. | |
Compartment syndrome | 0 | 6 (30%) | ^<0.05 | |
Ischemia and necrosis | 1(5%) | 4 (20%) | n.s. | |
Infection | 0 | 0 | n.s. | |
Hand Parts Amputated | 1st finger | 1 (5%) | 2 (10%) | n.s. |
2nd finger | 3 (15%) | 7 (35%) | n.s. | |
3rd finger | 1 (5%) | n.s. | ||
4th finger | 1 (5%) | 1 (5%) | n.s. | |
5th finger | 1 (5%) | n.s. | ||
More fingers | 3 (15%) | n.s. | ||
Injected Material | Hydraulic oil | 0 | 6 (30%) | ^<0.05 |
Epoxy paint | 0 | 2 (10%) | n.s. | |
Paint solvent | 3 (15%) | 1 (5%) | n.s. | |
Industrial grease | 2 (10%) | 3 (15%) | n.s. | |
Trichlorethylene | 0 | 1 (5%) | n.s. | |
Glue | 0 | 1 (5%) | n.s. | |
Epoxy stucco | 0 | 1 (5%) | n.s. | |
Total of Amputees | 5 (25%) | 15 (75%) | ^<0.05 |
n.s.: not significant; ^ subjects treated ≤6 h versus subjects treated >6 h.