Table. Demographic, Clinical, and Surgical Characteristics of All Patients Included.
| Characteristic | Group, No. (%) | Statistical comparison, effect size (95% CI) | |
|---|---|---|---|
| Control (n = 30) | Intervention (n = 30) | ||
| Age, mean (SD), y | 62.5 (13.6) | 63.8 (13.1) | r = 0.04 (−0.21 to −0.30) |
| Male sex | 25 (83) | 21 (70) | ϕ = 0.16 (−0.10 to 0.41) |
| ASA physical status | Cramer V = 0.19 (−0.114 to 0.372) | ||
| I | 6 (20) | 3 (10) | |
| II | 18 (60) | 14 (47) | |
| III | 6 (20) | 13 (43) | |
| Stated current consumption | |||
| Alcohola | 27 (90) | 27 (90) | ϕ = 0b |
| Nicotine | 8 (27) | 4 (13) | ϕ = 0.17 (−0.07 to 0.42) |
| Consumed pack-years, mean (SD) y | 22.3 (19.9) | 19.9 (19.4) | r = 0.06 (−0.20 to 0.32) |
| Diagnosis | |||
| Diabetes mellitus type 2 | 3 (10) | 6 (20) | ϕ = −0.14 (−0.40 to 0.08) |
| Arterial hypertension (≥130/80 mm Hg50) | 14 (47) | 15 (50) | ϕ = −0.03 (−0.28 to 0.21) |
| BMI, mean (SD) | 24.3 (4.3) | 26.5 (4.1) | r = 0.25 (0.01 to 0.48) |
| Postoperative administration to ICU | 12 (40) | 14 (47) | ϕ = −0.07 (−0.31 to 0.20) |
| Duration of postoperative administration to ICU, h | 20.8 (34.37) | 20.8 (37.72) | r = 0.01 (−0.259 to 0.259) |
| ND | Cramer V = 0b | ||
| Left-sided | 13 (43) | 14 (47) | |
| Right-sided | 15 (50) | 14 (47) | |
| Bilateral | 2 (7) | 2 (7) | |
| ND levels | |||
| 2 | 5 (17) | 0 (0) | |
| 3 | 4 (13) | 2 (7) | |
| 4 | 8 (27) | 12 (40) | |
| 5 | 11 (37) | 14 (47) | |
| ≥6 | 2 (7) | 2 (7) | |
| ND with no simultaneous ablative surgery | 8 (27) | 7 (23) | ϕ = 0.04(−0.21 to 0.29) |
| Partial resection | |||
| Pharyngeal | 2 (7) | 3 (10) | ϕ = −0.60b |
| Pharyngeal with microvascular reconstruction | 5 (17) | 5 (17) | ϕ = 0 (−0.25 to 0.25) |
| Total parotidectomy | 11 (37) | 11 (37) | ϕ = 0 (−0.26 to 0.25) |
| Partial laryngeal resection | 2 (7) | 2 (7) | ϕ = 0b |
| Total laryngectomy | 2 (7) | 2 (7) | ϕ = 0b |
| Tumor stages ≥T3 | 14 (47) | 13 (43) | ϕ = 0.03 (−0.23 to 0.27) |
| Intraoperative fentanyl, mg | 0.6 (0.2) | 0.5 (0.2) | r = 0.30 (0.01 to 0.54) |
Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); ICU, intensive care unit; ND, neck dissection.
a
Defined as up to 1 drink per day for women and up to 2 drinks per day for men.
b
95% CI could not be calculated.