Table 1.
Colorectal surgery patients identified by data source of cancer registry, physician billing and hospital inpatient data
| Surgery Patients Identified from Each Data Source | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Factors |
All Patients |
Cancer Registry |
Physician Billing |
Hospital Inpatient |
Combined Administrative |
||||
| |
n |
n |
(%)1 |
n |
(%)1 |
n |
(%)1 |
n |
(%)1 |
| |
8308 |
7066 |
(85) |
7173 |
(86) |
6905 |
(83) |
7241 |
(87) |
|
Year |
|
|
|
|
|
|
|
|
|
| 2000 |
1324 |
1149 |
(87) |
1168 |
(88) |
1131 |
(85) |
1183 |
(89) |
| 2001 |
1331 |
1126 |
(85) |
1155 |
(87) |
1109 |
(83) |
1166 |
(88) |
| 2002 |
1337 |
1152 |
(86) |
1170 |
(88) |
1135 |
(85) |
1181 |
(88) |
| 2003 |
1432 |
1231 |
(86) |
1232 |
(86) |
1200 |
(84) |
1250 |
(87) |
| 2004 |
1418 |
1176 |
(83) |
1202 |
(85) |
1152 |
(81) |
1210 |
(85) |
| 2005 |
1466 |
1232 |
(84) |
1246 |
(85) |
1194 |
(81) |
1257 |
(86) |
|
Stage |
|
|
|
|
|
|
|
|
|
| I |
1387 |
1379 |
(99) |
1251 |
(90) |
1204 |
(87) |
1259 |
(91) |
| II |
2207 |
2166 |
(98) |
2167 |
(98) |
2125 |
(96) |
2174 |
(99) |
| III |
1902 |
1875 |
(99) |
1867 |
(98) |
1835 |
(96) |
1870 |
(98) |
| IV |
1953 |
1164 |
(60) |
1396 |
(71) |
1293 |
(66) |
1436 |
(74) |
| Missing |
859 |
482 |
(56) |
492 |
(57) |
464 |
(54) |
508 |
(59) |
|
Tumor Site |
|
|
|
|
|
|
|
|
|
| Colon |
5303 |
4534 |
(85) |
4585 |
(86) |
4429 |
(84) |
4608 |
(87) |
| Rectum | 3005 | 2532 | (84) | 2588 | (86) | 2492 | (83) | 2639 | (88) |
1 Percent is based on “All Patients” in each row.