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. Author manuscript; available in PMC: 2014 Jul 14.
Published in final edited form as: Arch Otolaryngol Head Neck Surg. 2012 Sep;138(9):833–839. doi: 10.1001/archoto.2012.1753

Table 1.

Univariable Associations between Patient Demographics, Preoperative Comorbidities, and Treatment Variables and Enlargement of the TEP (n=194)

Total Pts
No. (%)
Enlarged TEP
No. (%)
Unadjusted RR
(95% CI)
Trend
P
Sex
 Male 162 (83.5) 28 (17.3)
 Female 32 (16.5) 8 (25.0) 1.4 (0.7-2.9) --
Race/Ethnicity
 White 151 (18.5) 28 (18.5)
 Hispanic 21 (10.8) 4 (19.1) 1.0 (0.4-2.6)
 Black 15 (7.7) 3 (20.0) 1.1 (0.4-3.1) --
Smoking
 Never 24 (12.4) 2 (8.3)
 Former 77 (40.0) 15 (19.5) 2.3 (0.6-9.5)
 Current 93 (47.9) 19 (20.4) 2.5 (0.6-9.8) 0.325
Alcohol
 Never 47 (24.2) 8 (17.0)
 Former 54 (27.8) 11 (20.4) 1.2 (0.5-2.7)
 Current 93 (47.9) 17 (18.3) 1.1 (0.5-2.3) --
Pre-TL BMI
 Healthy 76 (39.2) 16 (21.1)
 Underweight 12 (6.2) 4 (33.3) 1.6 (0.6-3.9)
 Overweight 69 (35.6) 11 (15.9) 0.8 (0.4-1.5)
 Obese 35 (18.0) 3 (8.6) 0.4 (0.1-1.3) 0.040
Pre-TL albumin
 Normal range 136 (70.1) 23 (16.9)
 2.1-2.7 g/dL 11 (5.7) 3 (27.3) 1.6 (0.6-4.5)
 <2.1 g/dL 8 (4.1) 3 (37.5) 2.2 (0.8-5.8) 0.484
TSH
 Normal range 126 (65.0) 26 (20.6)
 Low 11 (5.7) 2 (18.2) 0.7 (0.2-2.1)
 High 21 (10.8) 3 (14.3) 0.9 (0.2-3.2) --
ACE-27 comorbidity
 None/mild 129 (66.5) 22 (17.1)
 Moderate/severe 65 (33.5) 14 (21.5) 1.3 (0.7-2.3)
Tumor site --
 Glottic/subglottic 102 (52.6) 14 (13.7)
 Supraglottic 56 (28.9) 11 (19.6) 1.4 (0.7-2.9)
 Hypopharynx 21 (10.8) 7 (33.3) 2.4 (1.1-5.3)
 Other 15 (7.7) 4 (26.7) 1.9 (0.7-5.1) 0.037
T classification
 T2 9 (4.6) 2 (22.2)
 T3 19 (9.8) 3 (15.8) 0.7 (0.1-3.5)
 T4 57 (29.4) 13 (22.8) 1.0 (0.3-3.8)
 Recurrent 104 (53.6) 18 (17.3) 0.8 (0.2-2.8) --
N classification
 N0 41 (21.1) 3 (7.3)
 N1 12 (6.2) 3 (25.0) 3.4 (0.8-14.8)
 N2 or N3 34 (17.5) 12 (37.5) 4.8 (1.5-15.7)
 Recurrent 104 (53.6) 18 (17.3) 2.4 (0.7-7.6) 0.005
Prior radiation
 No 80 (41.2) 17 (21.3)
 Yes 114 (58.8) 19 (16.7) 0.8 (0.4-1.4)
Prior chemo
 No 153 (78.9) 32 (20.9)
 Yes 37 (19.1) 4 (9.8) 0.5 (0.2-1.2)
Extent surgery
 TL 147 (75.8) 24 (16.3)
 TL + PP 26 (13.4) 5 (19.2) 1.2 (0.5-2.8)
 TLP 21 (10.8) 7 (33.3) 2.0 (1.0-4.1)

Non-significant associations with age, marital status, financial status, diabetes, type of radiotherapy, >1 course preoperative radiotherapy, and laryngeal dysfunction necessitating laryngectomy are not shown