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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Gynecol Oncol. 2014 Nov 14;136(1):65–70. doi: 10.1016/j.ygyno.2014.11.009

Table 2.

Demographic and preoperative characteristics in patients who were transfused and those who were not transfused

No Transfusion group
(n = 7341)
Transfusion group
(n = 1178)
p-value*
Age, years <0.001
  Mean ± sd 60.77 ± 12.24 62.50 ±12.64
  Median (range) 61 (18 – 89) 63 (19 – 89)
  Missing 43 8
BMI, kg/m2 <0.001
  Mean ± sd 32.80 ± 9.53 29.72 ± 8.56
  Median (range) 31 (10.97–102.50) 27.63 (15.79–76.89)
  Missing 52 11
Race
  White 5,749 (88.38%) 845 (82.36%) <0.001
  Black 510 (7.84%) 115 (11.21%) <0.001
  Other 246 (3.78%) 66 (6.43%) <0.001
  Missing 836 333
Ethnicity
  Hispanic 490 (6.67%) 72 (6.11%) 0.470
ASA class <0.001
  I 261 (3.56%) 25 (2.12%)
  II 3631 (49.46%) 454 (38.54%)
  III 3248 (44.24%) 645 (54.75%)
  IV 192 (2.62%) 52 (4.41%)
  V 1 (0.01%) 1 (0.08%)
  None assigned 8 (0.11%) 1 (0.08%)
Disseminated cancer 894 (11.38%) 284 (42.84%) <0.001
Presence of ascites 179 (2.44) 38 (3.23%) 0.111
Chemotherapy < 30 days 69 (0.94%) 60 (5.09%) 0.421
Tobacco Use 902 (12.29) 131 (11.12%) 0.255
Diabetes 1201(16.37) 207 (17.57%) 0.304
Steroid use 124 (1.69) 28 (2.38%) 0.098
Hypertension 3662 (49.88%) 568 (48.22%) 0.288
Dyspnea 511 (6.96%) 130 (11.04%) <0.001
COPD 179 (2.44%) 38 (3.23%) 0.111
Cancer <0.001
  Uterus 5239 (71.37%) 431 (36.59%)
  Ovary 1369 (18.65%) 658 (55.86%)
  Vagina/Vulva 118 (1.61%) 14 (1.19%)
  Cervix 615 (8.38%) 75 (6.37%)
Bleeding disorder 140 (1.91%) 52 (4.41%) <0.001
>10% weight loss in last 6 months 87 (1.19%) 64 (5.43%) <0.001

BMI = body mass index, ASA = American Society of Anesthesiologists class; COPD = chronic obstructive pulmonary disease

*

Chi-squared and Fisher’s-exact test for categorical variables and the Wilcoxon rank-sum test to compare medians between groups for continuous variables