Appendix Table II.
Distribution of access procedures by year and month.
| White | Black | Asian | Hispanic | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Index fistula (%) (n=8,397) |
Index graft (%) (n=2,110) |
P-value | Index fistula (%) (n=2,071) |
Index graft (%) (n=1,260) |
P- value |
Index fistula (%) (n=467) |
Index graft (%) (n=218) |
P- value |
Index fistula (%) (n=1,173) |
Index graft (%) (n=397) |
P- value |
|
| Year that index fistula/graft was performed 2007 2008 2009 2010 |
2,130 (25.4) 2,035 (24.2) 2,092 (24.9) 2,140 (25.5) |
651 (30.9) 523 (24.8) 501 (23.7) 435 (20.6) |
<0.001 |
548 (26.5) 504 (24.3) 470 (22.7) 549 (26.5) |
382 (30.3) 283 (22.5) 323 (25.6) 272 (21.6) |
0.001 |
109 (23.3) 104 (22.3) 133 (28.5) 121 (25.9) |
76 (34.9) 49 (22.5) 52 (23.9) 41 (18.8) |
0.009 |
280 (23.9) 279 (23.8) 304 (25.9) 310 (26.4) |
107 (26.9) 102 (25.7) 102 (25.7) 86 (21.6) |
0.23 |
| Month that index fistula/graft was performed January February March April May June July August September October November December |
752 (9) 739 (9) 737 (8.8) 696 (8.3) 689 (8.2) 763 (9.1) 711 (8.5) 715 (8.5) 649 (7.7) 718 (8.6) 639 (7.6) 589 (7) |
211 (10) 194 (9.2) 193 (9.1) 197 (9.3) 182 (8.6) 162 (7.7) 166 (7.9) 173 (8.2) 174 (8.2) 179 (8.5) 138 (6.5) 141 (6.7) |
0.28 |
207 (10) 169(8.2) 187 (9) 186 (9) 176 (8.5) 170(8.2) 124 (6) 189 (9.1) 173 (8.4) 173 (8.4) 172 (8.3) 145 (7) |
138 (11) 123 (9.8) 126 (10) 119 (9.4) 97 (7.7) 96 (7.6) 104 (8.3) 118 (9.4) 96 (7.6) 96 (7.6) 79 (6.3) 68 (5.4) |
0.06 |
41 (8.8) 36 (7.7) 56 (12) 46 (9.9) 37 (7.9) 34 (7.3) 31 (6.6) 36 (7.7) 41 (8.8) 44 (9.4) 33 (7.1) 32 (6.9) |
22 (10.1) 21 (9.6) 18 (8.3) 18 (8.3) 13 (6) 25 (11.5) 21 (9.6) 17 (7.8) 14 (6.4) 17 (7.8) 15 (6.9) 17 (7.8) |
0.49 |
105 (9) 97 (8.3) 123 (10.5) 105 (9) 89 (7.6) 106 (9) 104 (8.9) 91 (7.8) 88 (7.5) 104 (8.9) 80 (6.8) 81 (6.9) |
41 (10.3) 41 (10.3) 36 (9.1) 45 (11.3) 31 (7.8) 37 (9.3) 35 (8.8) 26 (6.5) 28 (7.1) 30 (7.6) 22 (5.5) 25 (6.3) |
0.83 |