Table 1 Clinical and demographic characteristics of the study participants
Variable | SWI Cases (N = 51) | Controls (N = 153) | Overall (N = 204) | p value | ||
|---|---|---|---|---|---|---|
Mean(sd) | N(%) | Mean(sd) | N(%) | |||
Age(years) | 58.5 (9.00) | 58.6 (8.95) | 58.57 | |||
Gender | ||||||
Male | 36 (17) | 108 (53) | 144 (70) | |||
Female | 15 (7) | 45 (23) | 60 (30) | |||
Mortality | 4 (7.8) | 6 (3.4) | 10 (5) | |||
Smoker | 11 (21) | 37 (24) | 48 (24) | |||
Premorbid | ||||||
(1) | 37 (73) | 110 (72) | 147 (72) | |||
(2) | 6 (12) | 10 (7) | 16 (8) | |||
Diabetes | 42 (82) | 113 (74) | 155(76) | |||
BMI | 32.2 (5.77) | 29.4 (5.81) | 30.1 (5.92) | < 0.05 | ||
HbA1ca | 8.2 (2.16) | 7.3 (2.05) | 7.5 (2.12) | < 0.05 | ||
Procedure | ||||||
CABG | 39 (19) | 110 (54) | 162 (73) | |||
CABG + Vlave | 3 (2) | 7 (3) | 10 (5) | |||
Valve only | 6 (3) | 30 (15) | 36 (18) | |||
Other | 4 (2) | 6 (3) | 50 (4) | |||
Graft Conduit | < 0.05 | |||||
LIMA + SVG | 33 (16) | 73 (36) | 106 (52) | |||
LIMA + RIMA | 10 (5) | 16 (13) | 26 (18) | |||
Other grafts | 1 (0.5) | 16 (8) | 17 (8) | |||
No Graft | 7(3) | 38 (19) | 41 (22) | |||
Inpatient Days* | 14 (22) | 12.0 (8) | 12 (10) | < 0.05 | ||
EuroSCOREII* | 3.4 (2.94) | 3.4 (3.86) | 3.4 (3.36) | |||
Abx Study | 35 (69) | 93 (61) | 128 (63) | |||
CHG shortage | 41 (80) | 110 (72) | 151 (74) | < 0.05 | ||
OR Environment | 41 (80) | 110 (72) | ||||
Periop Blood Glucose | 174.7 (53.43) | 155.7 (32.30) | 160 (39.52) | < 0.05 | ||
Transfusion | < 0.05 | |||||
RBCs | 8 (4) | 20 (10) | 28 (14) | |||
FFP ± Platelets | 9 (4) | 28 (14) | 37 (18) | |||
RBCs + FFP/Platelets | 24 (12) | 43 (21) | 67 (33) | |||
No Transfusion | 10 (5) | 62 (30) | 72 (35) | |||
Re exploration | 14 (7) | 18 (9) | 32 (16) | < 0.05 | ||
Surgery Timea | 6.1 (1.33) | 5.6 (1.8) | 5.7 (1.71) | < 0.05 | ||