Table 1.
Patient and tumor characteristics by blood transfusion status before and after matching
| Factors |
All patients |
P value |
Matched patients |
P value | ||
|---|---|---|---|---|---|---|
| Non-transfused | Transfused | Non-transfused | Transfused | |||
| Total n |
576 (90.6%) |
60 (9.4%) |
|
90 |
45 |
|
| Age (SD) |
65.16 (10.54) |
66.21 (9.46) |
0.91 |
65.08 (10.8) |
65.8 (10.12) |
0.73 |
| BMI (SD) |
27.06 (5.31) |
26.88 (7.33) |
0.15 |
27.37 (5.76) |
27.02 (7.59) |
0.79 |
| Gender |
|
|
0.43 |
|
|
0.80 |
| Female |
267 (89.6%) |
31 (10.4%) |
|
48 (67.6%) |
23 (32.4%) |
|
| Male |
309 (91.4%) |
29 (8.6%) |
|
42 (65.6%) |
22 (34.4%) |
|
| ASA |
|
|
0.48 |
|
|
0.82 |
| 2 |
62 (93.9%) |
4 (6.1%) |
|
9 (75%) |
3 (25%) |
|
| 3 |
480 (90.4%) |
51 (9.6%) |
|
75 65.8%) |
39 (34.2%) |
|
| 4 |
33 (86.8%) |
5 (13.2%) |
|
6 (66.7%) |
3 (33.3%) |
|
| Stage |
|
|
0.01 |
|
|
0.92 |
| 1 |
328 (93.4%) |
23 (6.6%) |
|
32 (65.3%) |
17 (34.7%) |
|
| 2 |
115 (87.8%) |
16 (12.2%) |
|
25 (65.8%) |
13 (34.2%) |
|
| 3 |
131 (86.2%) |
21 (13.8%) |
|
33 (68.8%) |
15 (31.3%) |
|
| Hb g/dL, (SD) | 13.43 (1.42) | 12.08 (1.58) | < 0.0001 | 12.4 (1.3) | 12.3 (1.4) | 0.73 |
A p value < 0.05 was considered statistically significant. BMI Body mass index. ASA American Society of Anesthesiologist physical status. Hb Hemoglobin.