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. Author manuscript; available in PMC: 2019 Jul 26.
Published in final edited form as: Otolaryngol Head Neck Surg. 2018 Jun 5;159(3):466–472. doi: 10.1177/0194599818767626

Table 3.

Result of Associations between SAS and Patient Characteristics.a

Patient Characteristics SAS
P Value
1-4 (n = 65) 5-6 (n = 280) 7-8 (n = 187) 9-10 (n = 31)
Age, mean ± SD, y 60.3 ± 9.1 61.1 ± 11.4 60.5 ± 11.8 61.8 ± 11.3 .86
Sex .43
Male 49 (80.3) 202 (75.4) 130 (70.7) 24 (77.4)
Female 12 (19.7) 66 (24.6) 54 (29.4) 7 (22.6)
Race <.0001b
White 44 (72.1) 320 (78.7) 162 (88.0) 28 (90.3)
African American 16 (26.2) 52 (19.5) 17 (9.2) 3 (9.7)
Others 1 (1.6) 5 (1.9) 5 (2.7) 0 (0)
BMI, mean ± SD, kg/m2 25.2 ± 5.7 25.1 ± 6.2 26.2 ± 5.8 27.3 ± 4.3 .15
Smoking (current) 14 (28.0) 41 (19.2) 31 (19.8) 7 (25.9) .48
ASA status, mean ± SD 3.1 ± 0.4 3.1 ± 0.4 2.8 ± 0.5 2.6 ± 0.6 <.0001b
Length of stay, mean ± SD, d 10 ± 7.3 7.8 ± 5.5 2.9 ± 3.7 1.6 ± 1 <.0001b
Operation time, mean ± SD, h 9.3 ± 2.6 7.9 ± 2.7 4.3 ± 2.2 3 ± 1.1 <.0001b
Primary site <.0001b
Oropharynx 6 (9.2) 64 (22.9) 68 (36.4) 17 (54.8)
Larynx 15 (23.1) 84 (30.0) 24 (12.8) 2 (6.5)
Hypopharynx 2 (3.1) 13 (4.6) 4 (2.1) 0 (0)
Oral cavity 32 (49.2) 101 (36.1) 57 (30.5) 9 (29.0)
Others 10 (15.4) 18 (6.4) 34 (18.2) 3 (9.7)
AJCC stage .04b
1 9 (13.9) 45 (16.1) 45 (24.1) 7 (22.6)
2 14 (21.5) 38 (13.6) 24 (12.8) 5 (16.1)
3 11 (16.9) 55 (19.6) 30 (16) 4 (12.9)
4A 22 (33.8) 114 (40.7) 54 (28.9) 10 (32.3)
4B 7 (10.8) 14 (5) 13 (7) 1 (3.2)
Unknown 2 (3.1) 14 (5) 21 (11.2) 4 (12.9)

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.