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Table 2 Comparison of different treatment modalities by stage for SCCA patients treated at ACPs and CCPs. Percentage values in parentheses

From: Patterns of care for anal cancer in the United States - a comparison between academic and community cancer centers

  ACP CCP P-value
Stage 0 n = 1351 n = 2227  
S only 1016 1660  
R only 19 32  
C only 12 10  
S + R 29 85  
S + C 9 10  
R + C 51 105  
S + R + C 35 84  
Other 180 241  
S overall 1089 (80.6) 1839 (82.5) 0.1506
R overall 134 (9.9) 306 (13.7) 0.0009*
C overall 107 (7.9) 209 (9.4) 0.1510
Stage I n = 2461 n = 4402  
S only 655 990  
R only 60 108  
C only 22 28  
S + R 109 208  
S + C 27 41  
R + C 716 1433  
S + R + C 758 1437  
Other 114 157  
S overall 1459 (62.9) 2676 (60.8) 0.0834
R overall 1643 (66.8) 3186 (72.4) < 0.0001*
C overall 1523 (61.9) 2939 (66.8) < 0.0001*
Stage II n = 4512 n = 8453  
S only 428 558  
R only 164 313  
C only 43 56  
S + R 101 203  
S + C 27 63  
R + C 2634 5052  
S + R + C 970 1950  
Other 145 258  
S overall 1526 (33.8) 2774 (32.8) 0.2554
R overall 3869 (85.7) 7518 (88.9) < 0.0001*
C overall 3674 (81.4) 7121 (84.2) < 0.0001*
Stage III n = 3744 n = 5396  
S only 82 108  
R only 132 193  
C only 66 61  
S + R 39 52  
S + C 21 32  
R + C 2684 3898  
S + R + C 588 859  
Other 132 193  
S overall 730 (19.5) 1051 (19.5) 0.1443
R overall 3443 (92) 5002 (92.6) 0.2102
C overall 3359 (89.7) 4850 (89.9) 0.1849
Stage IV n = 698 n = 1070  
S only 17 31  
R only 43 69  
C only 117 126  
S + R 6 13  
S + C 24 23  
R + C 342 578  
S + R + C 66 105  
Other 83 125  
S overall 113 (16.2) 172 (16.1) 0.9522
R overall 457 (65.5) 765 (71.5) 0.0074*
C overall 549 (78.7) 832 (77.8) 0.6527
Stage unknown n = 1656 n = 2796  
S only 371 521  
R only 86 137  
C only 45 88  
S + R 37 50  
S + C 20 30  
R + C 535 1008  
S + R + C 280 414  
Other 282 548  
S overall 708 (42.8) 1015 (36.3) < 0.0001*
R overall 938 (56.6) 1609 (57.5) 0.5769
C overall 880 (53.1) 1540 (55.1) 0.2209