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. Author manuscript; available in PMC: 2015 Apr 15.
Published in final edited form as: JAMA Otolaryngol Head Neck Surg. 2014 Apr;140(4):312–316. doi: 10.1001/jamaoto.2013.6732

Table 3.

Treatment Adherence

Days Missed Patients P Valuea Total (N = 162)
HPV Negative (n = 51) HPV Positive (n = 111)
No. (%)
 ≥1 34 (66) 54 (49) NP 88 (54)
 ≥2 24 (47) 42 (38) NP 66 (41)
 ≥3 18 (35) 28 (25) NP 46 (28)
 ≥4 13 (25) 18 (16) NP 31 (19)
 ≥5 12 (24) 11 (10) .04b 23 (14)
Mean 2.8 1.7 .02c

Abbreviations: COPD, chronic obstructive pulmonary disease; HPV, human papillomavirus; NP, analysis not performed.

a

Univariate analysis using Fisher exact test for categorical data and unpaired t test for continuous data unless otherwise specified.

b

Multivariate logistic regression analysis (controlling for age <50 years, COPD, depression, anxiety, smoking history, and alcohol use).

c

Multivariate linear regression analysis (controlling for age <50 years, COPD, depression, anxiety, smoking history, and alcohol use).