Table 3:

Characteristics of Treatment Groups

Characteristic	Surgery + CRT (n = 12,493)	CRT (n = 19,874)	Surgery + Radiation (n = 1,029)	Surgery Alone (n = 900)	Radiation Alone (n = 1,305)
Male	82.8% (95% CI 80.1%−85.3%)	80.5% (95% CI 77.4%−83.5%)	68.5% (95% CI 48.2%−85.7%)	84.7% (95% CI 77.4%−90.7%)	62.0% (95% CI 42.9%−79.4%)
Female	17.2% (95% CI 14.7%−20.0%)	19.5% (95% CI 16.5%−22.6%)	31.5% (95% CI 14.3%−51.8%)	15.3% (95% CI 9.3%−22.6%)	38.0% (95% CI 20.6%−57.1%)
Age (years)	58.0 (95% CI 55.7–60.3)	60.0 (95% CI 58.3–61.6)	58.3 (95% CI 55.0–61.5)	61.0 (95% CI 51.5–70.6)	62.6 (95% CI 56.8–68.4)
T1-T2	67.5% (95% CI 57.8%−76.5%)	41.6% (95% CI 35.8%−47.5%)	51.6% (95% CI 38.5%−64.7%)	61.4% (95% CI 43.1%−78.2%)	43.5% (95% CI 17.4%−71.7%)
T3-T4	31.6% (95% CI 22.8%−41.0%)	56.1% (95% CI 50.3%−61.9%)	56.3% (95% CI 33.5%−77.8%)	38.6% (95% CI21.8%−56.9%)	62.5% (95% CI 24.7%−93.0%)
N0-N1	37.8% (95% CI 30.7%−45.1%)	30.8% (95% CI 25.0%−37.0%)	42.7% (95% CI 25.2%−61.3%)	58.5% (95% CI 31.7%−82.8%)	57.6% (95% CI 51.0%−64.0%)
N2-N3	60.0% (95% CI 49.9%−69.6%)	68.6% (95% CI 63.7%−73.3%)	56.1% (95% CI 37.2%−74.1%)	28.9% (95% CI 0.0%−82.6%)	36.6% (95% CI 24.7%−49.5%)
Stage I/II	10.5% (95% CI 5.1%−17.5%)	4.7% (95% CI 2.1%−8.3%)	13.0% (95% CI 0.6%−37.6%)	24.6% (95% CI 1.0%−82.6%)	21.3% (95% CI3.0%−50.0%)
Stage III/IV	90.5% (95% CI 81.6%−96.7%)	96.6% (95% CI 93.3%−98.8%)	87.0% (95% CI 62.4%−99.4%)	81.8% (95% CI 37.8%−99.9%)	78.7% (95% CI 50.0%−97.0%)
HPV +	41.8% (95% CI 15.9%−70.4%)	35.3% (95% CI 13.4%−60.8%)	-	-	-
HPV -	31.8% (95% CI 16.5%−49.5%)	35.4% (95% CI 19.0%−53.7%)	-	-	-
Current/History of Alcohol Use	56.5% (95% CI 33.2%−78.4%)	73.4% (95% CI 67.6%−78.9%)	-	-	-
No Alcohol Use	42.9% (95% CI 21.3%−66.0%)	25.7% (95% CI 22.5%−29.1%)	-	-	-
Current/History of Tobacco Use	71.8% (95% CI 59.6%−82.7%)	74.2% (95% CI 61.5%−85.2%)	-	81.8% (95% CI 73.5%−88.3%)	-
No Tobacco Use	27.0% (95% CI 17.1%−38.2%)	17.5% (95% CI16.2%−40.6%)	-	18.2% (95% CI 11.7%−26.5%)	-

-Data not provided in text.