Skip to main content
. Author manuscript; available in PMC: 2019 Dec 3.
Published in final edited form as: Oral Oncol. 2018 Jun 13;83:73–80. doi: 10.1016/j.oraloncology.2018.06.005

Table 1.

Clinical characteristics of the cohort by HPV status and ECE and/or PSM.

HPV– Negative ECE/PSM
(N = 1030)
No (%)
HPV– Positive ECE/PSM
(N = 699)
No (%)
P-value HPV+ Negative ECE/PSM
(N = 1749)
No (%)
HPV+ Positive ECE/PSM
(N = 1587)
No (%)
P-value

Sex <0.01 <0.01
 Male 737 (71.5) 537 (76.8) 1441 (82.4) 1362 (85.8)
 Female 293 (28.5) 162 (23.2) 308 (17.6) 225 (14.2)
Age <0.01 <0.01 0.76
 <70 years 823 (79.9) 595 (85.1) 1563 (89.4) 1413 (89.0)
 ≥70 years 207 (20.1) 104 (14.9) 186 (10.6) 174 (11.0)
Race 0.04 0.70
 White 875 (85.0) 601 (86.0) 1617 (92.5) 1475 (92.9)
 Black 90 (8.7) 41 (5.9) 50 (2.9) 47 (3.0)
 Other 65 (6.3) 57 (8.1) 82 (4.7) 65 (4.1)
Insurance 0.34 0.38
 Private 514 (49.9) 382 (54.7) 1188 (67.9) 1032 (65.0)
 Medicare 357 (34.7) 228 (32.6) 392 (22.4) 388 (24.5)
 Medicaid 90 (8.7) 52 (7.4) 81 (4.6) 89 (5.6)
 Government/Other 32 (3.1) 17 (2.4) 45 (2.6) 42 (2.7)
 Uninsured 37 (3.6) 20 (2.9) 43 (2.5) 36 (2.3)
Zip code Income 0.26 0.03
 ≤38,000 181 (17.6) 111 (15.9) 184 (10.5) 180 (11.3)
 38–48 K 233 (22.6) 138 (19.7) 331 (18.9) 350 (22.1)
 48 K-63 K 269 (26.1) 200 (28.6) 471 (26.9) 445 (28.0)
 ≥63 K 340 (33.0) 248 (35.5) 758 (43.3) 608 (38.3)
Urban 0.18 0.17
 Lives in Metro 882 (79.8) 567 (81.1) 1419 (81.1) 1275 (80.3)
 Near Metro 123 (11.9) 63 (9.0) 193 (11.0) 171 (10.8)
 Far from Metro 61 (5.9) 52 (7.4) 97 (5.6) 114 (7.2)
Geography 0.55 <0.01
 East 226 (21.9) 149 (21.3) 438 (25.0) 296 (18.7)
 Midwest 296 (28.7) 215 (30.8) 500 (28.6) 555 (35.0)
 South 319 (31.0) 194 (27.8) 416 (23.8) 395 (24.9)
 West 168 (16.3) 123 (17.6) 365 (20.9) 320 (20.2)
Facility Type 0.19 0.00
 Non-Academic 364 (35.3) 273 (39.1) 527 (30.1) 586 (36.9)
 Academic 645 (62.6) 408 (58.4) 1192 (68.2) 980 (61.8)
Charlson-Deyo Score 0.41 0.41
 0 784 (76.1) 544 (77.8) 1443 (82.5) 1292 (81.4)
 ≥1 246 (23.9) 155 (22.2) 306 (17.5) 295 (18.6)
Tumor Differentiation <0.01 <0.01
 Well 82 (8.0) 30 (4.3) 47 (2.7) 16 (1.0)
 Moderate 496 (48.2) 306 (43.8) 561 (32.1) 483 (30.4)
 Poor 349 (33.9) 292 (41.8) 899 (51.4) 838 (52.8)
 Undifferentiated 7 (0.7) 9 (1.3) 25 (1.4) 43 (2.7)
Clinical T Stage <0.01 0.01
 T1 384 (37.3) 201 (28.8) 717 (41.0) 576 (36.3)
 T2 395 (38.4) 267 (38.2) 639 (36.5) 589 (37.1)
 T3 95 (9.2) 67 (9.6) 86 (4.9) 103 (6.5)
 T4 64 (6.2) 70 (10.0) 38 (2.2) 51 (3.2)
 T0/TX 92 (8.9) 70 (13.5) 269 (15.4) 268 (16.9)
Clinical N Stage <0.01 <0.01
 N0 513 (49.8) 131 (18.7) 468 (26.7) 136 (8.6)
 N1 200 (19.4) 182 (26.0) 1224 (70.0) 1290 (81.3)
 N2 300 (29.1) 329 (47.1) 39 (2.2) 90 (5.7)
 N3 16 (1.7) 57 (8.2) 18 (1.0) 71 (4.5)
Treatment Modality <0.01 <0.01
 Surgery alone 502 (48.7) 135 (19.3) 652 (37.3) 222 (14.0)
 Surgery + RT 303 (29.4) 134 (19.2) 716 (40.9) 343 (21.6)
 Surgery + Chemo 9 (0.9) 15 (2.2) 9 (0.5) 22 (1.4)
 Surgery + CRT 216 (21.0) 415 (59.4) 372 (21.3) 1000 (63.0)