Table 1 Association between continuous variables and postoperative infections
From: Postoperative infections after oesophageal resections: the role of blood transfusions
|  | Patients who developed infections (N = 47) (Mean ± SD) | Patients who did not develop infections (N = 63) (Mean ± SD) | p-value |
|---|---|---|---|
Haemoglobin (g/dl) | 13.5 ± 2 | 13.5 ± 2 | NS |
Haematocrit (%) | 39.8 ± 4.8 | 40.6 ± 5.6 | NS |
Serum albumin (g/dl) | 3.9 ± 0.4 | 3.9 ± 0.7 | NS |
Blood lymphocytes level/mm3 | 1766 ± 764 | 1869 ± 790 | NS |
Preoperative hospital stay (days) | 15.8 ± 12.6 | 12 ± 7 | 0.057 |
Postoperative hospital stay (days) | 15.8 ± 12.6 | 17.9 ± 12.7 | NS |
Length of operation (min) | 300 ± 87 | 276 ± 99 | NS |