Data before PSM Data before PSM Data before PSM Data before PSM Data after PSM Data after PSM Data after PSM Data after PSM Data after PSM
Variables
Overall cohort (n = 5846) Surgery (n=4620) Combined (n=1226)
p value
Overall cohort (n = 2234) Surgery (n=1117) Combined (n=1117)
p value
Sex, n (%) 0.014 0.491
Male 3305(56.5) 2574(55.7) 731(59.6) 1322(59.2) 669(59.9) 653(58.5)
Female 2541(43.5) 2046(44.3) 495(40.4) 912(40.8) 448(40.1) 464(41.5)
Age, Median (IQR) 76.0(70.0, 82.0) 76.5(70.0, 83.0) 75.0(69.2, 80.0) <0.001 75.0(70.0, 81.0) 75.0(70.0, 82.0) 75.0(70.0, 81.0) 0.545
Race, n (%) 0.003 0.939
White 4899(83.8) 3906(84.5) 993(81) 1814(81.2) 904(80.9) 910(81.5)
Black 375( 6.4) 273(5.9) 102(8.3) 180( 8.1) 92(8.2) 88(7.9)
Other 572( 9.8) 441(9.5) 131(10.7) 240(10.7) 121(10.8) 119(10.7)
Year.of.diagnos.2, n (%) <0.001 0.609
2010-2011 2366(40.5) 1922(41.6) 444(36.2) 891(39.9) 457(40.9) 434(38.9)
2012-2013 2012(34.4) 1598(34.6) 414(33.8) 748(33.5) 367(32.9) 381(34.1)
2014-2015 1468(25.1) 1100(23.8) 368(30) 595(26.6) 293(26.2) 302(27)
Marital status, n (%) <0.001 0.63
Single 531( 9.1) 402(8.7) 129(10.5) 213( 9.5) 98(8.8) 115(10.3)
Married 3137(53.7) 2428(52.6) 709(57.8) 1245(55.7) 625(56) 620(55.5)
Divorced 459( 7.9) 363(7.9) 96(7.8) 196( 8.8) 102(9.1) 94(8.4)
Other 1719(29.4) 1427(30.9) 292(23.8) 580(26.0) 292(26.1) 288(25.8)
Grade, n (%) <0.001 0.861
516( 8.8) 440(9.5) 76(6.2) 150( 6.7) 77(6.9) 73(6.5)
4516(77.2) 3595(77.8) 921(75.1) 1676(75.0) 830(74.3) 846(75.7)
736(12.6) 541(11.7) 195(15.9) 359(16.1) 186(16.7) 173(15.5)
78( 1.3) 44(1) 34(2.8) 49( 2.2) 24(2.1) 25(2.2)
CEA, n (%) <0.001 0.951
Positive 1988(34.0) 1494(32.3) 494(40.3) 900(40.3) 452(40.5) 448(40.1)
Negative 3818(65.3) 3093(66.9) 725(59.1) 1321(59.1) 659(59) 662(59.3)
Borderline 40( 0.7) 33(0.7) 7(0.6) 13( 0.6) 6(0.5) 7(0.6)
Tumor size, n (%) <0.001 0.651
<3 2071(35.4) 1758(38.1) 313(25.5) 556(24.9) 280(25.1) 276(24.7)
3-5 2140(36.6) 1651(35.7) 489(39.9) 919(41.1) 469(42) 450(40.3)
5-7 1109(19.0) 812(17.6) 297(24.2) 531(23.8) 262(23.5) 269(24.1)
≥7 526( 9.0) 399(8.6) 127(10.4) 228(10.2) 106(9.5) 122(10.9)
T stage, n (%) <0.001 0.506
T1 1316(22.5) 1206(26.1) 110(9) 229(10.3) 120(10.7) 109(9.8)
T2 1849(31.6) 1613(34.9) 236(19.2) 446(20.0) 230(20.6) 216(19.3)
T3 2362(40.4) 1620(35.1) 742(60.5) 1335(59.8) 650(58.2) 685(61.3)
T4 319( 5.5) 181(3.9) 138(11.3) 224(10.0) 117(10.5) 107(9.6)
N stage, n (%) <0.001 0.277
N0 4322(73.9) 3740(81) 582(47.5) 1117(50.0) 540(48.3) 577(51.7)
N1 1005(17.2) 580(12.6) 425(34.7) 735(32.9) 377(33.8) 358(32.1)
N2 519( 8.9) 300(6.5) 219(17.9) 382(17.1) 200(17.9) 182(16.3)
TNM Stage, n (%) <0.001 0.074
2826(48.3) 2623(56.8) 203(16.6) 419(18.8) 216(19.3) 203(18.2)
1496(25.6) 1117(24.2) 379(30.9) 698(31.2) 324(29) 374(33.5)
1524(26.1) 880(19) 644(52.5) 1117(50.0) 577(51.7) 540(48.3)
Months.from.diagnosis.to.treatment,Mean ± SD 1.1 ± 1.3 1.1 ± 1.3 1.1 ± 1.2 0.811 1.1 ± 1.3 1.1 ± 1.4 1.1 ± 1.2 0.452