Table 2 Characteristics and medical use of CABG patients in medical center A during 2005-2008
All | Non-SSI | SSI | P-value | |
|---|---|---|---|---|
N‡ | 1017 | 993 (97.64) | 24 (2.36) | |
Male‡ | 795 (78.2%) | 781 (78.65) | 14 (58.33) | 0.017 |
Age (years)† | 65.03 (10.86) | 64.98 (10.86) | 67.14 (10.95) | 0.949 |
Number of vessels obstructed† | 1.88 (0.34) | 1.89 (0.33) | 1.67 (0.56) | <0.001 |
Length of stay (days)† | 18.09 (12.64) | 17.11 (6.60) | 58.29 (58.72) | <0.001 |
Length of stay (days)* | 16 (8) | 16 (7) | 47.5 (21.5) | |
Type of antibiotics† | 1.57 (1.00) | 1.51 (0.90) | 3.71 (2.10) | <0.001 |
Doses of antibiotics† | 8.27 (9.05) | 7.89 (8.43) | 24.07 (16.84) | <0.001 |
Use of cefazolin‡ | 998 (97.15) | 975 (98.19) | 13 (54.17) | <0.001 |
Doses of cefazolin† | 3.93 (2.18) | 3.96 (2.12) | 2.65 (3.61) | <0.001 |
ICD-9-CM SSI code‡ | 45 (4.4%) | 36 (3.63) | 9 (37.50) | <0.001 |
Use of second-line antibiotics‡ | 115 (11.58) | 115 (11.58) | 20 (83.33) | <0.001 |