TABLE 1.
Patient characteristics and their association with 90‐day postoperative transfusion.
| PRBCs 90 days | ||||
|---|---|---|---|---|
| None | Any | p Value* | ||
| N = 60 | N = 123 | |||
| Covariate | n (%) | n (%) | ||
| Age | Mean (SD) | 57.53 (SD 13.09) | 60.54 (SD 11.78) | .120 |
| TNM | 3–4 | 45 (75) | 103 (83.74) | .158 |
| 1–2 | 15 (25) | 20 (16.26) | ||
| SCC | Yes | 56 (93.33) | 117 (95.12) | .731** |
| No | 4 (6.67) | 6 (4.88) | ||
| Cancer subsite | Oral cavity | 36 (60) | 61 (49.59) | .197 |
| Oropharynx | 3 (5) | 19 (15.45) | ||
| Larynx/hypopharynx | 10 (16.67) | 18 (14.63) | ||
| Skin/other | 11 (18.33) | 25 (20.33) | ||
| Tissue | Mucosa | 51 (85) | 98 (79.67) | .385 |
| Non‐mucosa | 9 (15) | 25 (20.33) | ||
| Free flap | Radial | 40 (66.67) | 51 (41.46) | .012** |
| Fibula | 8 (13.33) | 26 (21.14) | ||
| Scapular | 2 (3.33) | 8 (6.5) | ||
| Latissimus | 3 (5) | 7 (5.69) | ||
| ALT | 3 (5) | 1 (0.81) | ||
| OCR | 1 (1.67) | 6 (4.88) | ||
| Rad/fibula | 0 (0) | 2 (1.63) | ||
| Rectus | 3 (5) | 22 (17.89) | ||
| Free flap with bone | Yes | 11 (18.33) | 42 (34.15) | .027 |
| No | 49 (81.67) | 81 (65.85) | ||
| Death at 2 years | Yes | 20 (33.33) | 57 (46.34) | .094 |
| No | 40 (66.67) | 66 (53.66) | ||
| Wound/fistula | Yes | 15 (25) | 26 (21.14) | .556 |
| No | 45 (75) | 97 (78.86) | ||
| Smoking | Yes | 49 (81.67) | 100 (81.3) | .952 |
| No | 11 (18.33) | 23 (18.7) | ||
| Local recurrence | Yes | 14 (23.33) | 34 (27.64) | .534 |
| No | 46 (76.67) | 89 (72.36) | ||
| Regional/distant recurrence | Yes | 3 (5) | 13 (10.57) | .211 |
| No | 57 (95) | 110 (89.43) | ||
| Age adj CCI | Median (IQR) | 6 (4–7) | 7 (4–8) | .032** |
| Hemoglobin, g/dL a | N | 48 | 116 | <.001 |
| Mean (SD) | 13.58 (1.64) | 12.48 (1.99) | ||
| Hematocrit, % a | N | 48 | 116 | .003 |
| Mean | 39.71 (4.77) | 36.94 (5.61) | ||
Abbreviations: age adj CCI, age‐adjusted Charlson Comorbidity Index; ALT, anterolateral thigh; IQR, interquartile range; OCR, osteocutaneous radial forearm; PRBCs 90, packed red blood cell in 90 days; SD, standard deviation; SSC, squamous cell carcinoma.
a
Hemoglobin and hematocrit are preoperative values only for 164 patients.
*
The p value is calculated by ANOVA for numerical covariates and chi‐square test for categorical covariates.
**
The p value is calculated by the Kruskal–Wallis test.