Observational Study
Copyright ©The Author(s) 2016.
World J Orthop. Dec 18, 2016; 7(12): 832-838
Published online Dec 18, 2016. doi: 10.5312/wjo.v7.i12.832
Table 2 Pre-operative characteristics
All patients (n = 170)TTA patients (n = 70)TFA patients (n = 100)P-value
Sex (women/men)74/9626/4448/520.21
%(44/56)(37/63)(48/52)
Age, yrs74 (12)72 (12)76 (12)0.01
Body mass index24.5 (6.5)24.9 (5.3)24.2 (7.2)0.47
Cause for amputation
Diabetes/arteriosclerosis/other58/105/730/36/428/69/30.03
%(34/62/4)(43/51/6)(28/69/3)
ASA-groups, 1-2/3-425/14216/549/880.03
%(15/84)(23/77)(9/88)
Dementia20 (12)6 (9)14 (14)0.34
Cardiovascular disease46 (27)22 (31)24 (24)0.30
Pulmonary disease30 (18)12 (17)18 (18)1.00
Cerebral apoplexy40 (24)11 (16)29 (29)0.07
Kidney disease45 (26)17 (24)28 (28)0.72
Diabetes mellitus72 (42)37 (53)35 (35)0.02
Diagnosed with cancer14 (8)6 (9)8 (8)1.00
Transfused preoperatively (patients)34 (20)10 (14)24 (24)0.17
NSAID or acetylsalicylic acid (yes)82 (48)38 (54)44 (44)0.21
Clopidogrel (yes)35 (21)13 (19)22 (22)0.70
Preoperative hemoglobin, g/L (SD)108 (16.1)108 (16.1)106 (16.1)0.48
Preoperative thrombocytes (SD)354 (151)366 (157)345 (146)0.46