Table 4.
Result of Associations between Morbidity and Patient Characteristics.a
| Patient Characteristics | 30-Day Morbidity |
||
|---|---|---|---|
| None (n = 354) | Present (n = 209) | P Value | |
| Age, mean ± SD, y | 60.8 ± 11.2 | 61 ± 11.4 | .87 |
| Sex | .16 | ||
| Male | 263 (76.5) | 142 (71) | |
| Female | 81 (23.6) | 58 (29.0) | |
| Race | .009b | ||
| White | 292 (85.1) | 152 (76.0) | |
| African American | 43 (12.5) | 45 (22.5) | |
| Others | 8 (2.3) | 3 (1.5) | |
| BMI, mean ± SD, kg/m2 | 26.5 ± 5.9 | 24.1 ± 5.7 | <.0001b |
| Smoking (current) | 60 (21.2) | 33 (20) | .76 |
| ASA status, mean ± SD | 2.9 ± 0.5 | 3.1 ± 0.4 | <.0001b |
| Length of stay, mean ± SD, d | 3.5 ± 2.9 | 10.4 ± 6.8 | <.0001b |
| Operation time, mean ± SD, h | 5.3 ± 2.7 | 8.8 ± 2.8 | <.0001b |
| Primary site | <.0001 | ||
| Oropharynx | 109 (30.8) | 46 (22) | |
| Larynx | 64 (18.1) | 61 (29.2) | |
| Hypopharynx | 11 (3.1) | 8 (3.8) | |
| Oral cavity | 113 (31.9) | 86 (41.2) | |
| Others | 57 (16.1) | 8 (3.8) | |
| AJCC stage | .0008b | ||
| 1 | 73 (20.6) | 33 (15.9) | |
| 2 | 46 (13.0) | 35 (16.8) | |
| 3 | 60 (17.0) | 40 (19.2) | |
| 4A | 116 (32.8) | 84 (40.4) | |
| 4B | 21 (5.9) | 14 (6.7) | |
| Unknown | 38 (10.7) | 3 (1.4) | |
| SAS | <.0001b | ||
| 1-4 | 25 (7.1) | 40 (19.1) | |
| 5-6 | 145 (41.0) | 135 (64.6) | |
| 7-8 | 156 (44.1) | 31 (14.8) | |
| 9-10 | 28 (7.9) | 3 (1.4) | |
Abbreviations: AJCC, American Joint Committee on Cancer; ASA, American Society of Anesthesiologists; BMI, body mass index; SAS, surgical Apgar score.
a
Values are presented as number (%) unless otherwise indicated.
b
Denotes statistical significance at P < .05.