Table 2

Risk factors for perioperative blood transfusion in 145 patients undergoing oesophagectomy
Factors
 Transfused (71)
 Not transfused (74)
 P-value
Sex:

0.148
     Male
 47
 57
     Female
 24
 17
Age:

0.0001
     <70 years
 31
 54
     >70 years
 40
 20
Comorbid factors:

0.002
     Yes
 45
 28
     No
 26
 46
ASA Class:

0.004
     1
 8
 18
     2
 44
 48
     3
 19
 8
ECOG score:

0.005
     0
 27
 45
     1
 31
 23
     2
 10
 4
     3
 3
 2
Haemoglobin levels:

0.001
     <11.0 g/dl
 15
 2
     ≥ 11.0 g/dl
 56
 72
Tumour site:

0.836
     Upper third
 1
 1
     Middle third
 8
 6
     Lower third
 18
 16
     GOJ
 44
 51
Neoadjuvant chemotherapy:

0.266
     Yes
 28
 36
     No
 43
 38
Tumour histology:

0.200
     SCC
 22
 16
     ADC
 49
 58
Tumour grade:

0.870
     Well
 12
 13
     Moderately
 26
 25
     Poorly
 33
 36
T-stage:

0.002
     1
 5
 16
     2
 9
 16
     3
 55
 42
     4
 2
 0
N-stage:

0.166
     N0
 34
 27
     N1
 37
 47
Operative blood loss:

0.715
     <800 ml
 43
 47
     >800 ml
 28
 27
Postoperative complications:

0.0001
     Yes
 46
 25
     No
 25
 49
Anastomotic leak:

0.001
     Yes
 13
 1
     No
 58
 73

ECOG, Eastern Cooperative Oncology Group; GOJ, Gastro-oesophageal junction;

SCC, Squamous cell carcinoma; ADC, Adenocarcinoma

Ayantunde et al. BMC Surgery 2008 8:3   doi:10.1186/1471-2482-8-3