Table 1 Frequency distributions (%) of the characteristics of the algorithm building and validation samples
From: Identifying incident oral and pharyngeal cancer cases using Medicare claims
Characteristic | Algorithm building sample | Validation sample | Pearson’sx 2test p-value | |
|---|---|---|---|---|
OP cancer cases* | 1,085 (100.0) | 722 (100.0) | Â | |
Age Group | 66-69 | 201 (18.5) | 116 (16.1) | 0.1370 |
70-74 | 271 (25.0) | 184 (25.5) | Â | |
75-79 | 266 (24.5) | 195 (27.0) | Â | |
80-84 | 205 (18.9) | 114 (15.8) | Â | |
85 and older | 142 (13.1) | 113 (15.7) | Â | |
Sex | Female | 417 (38.4) | 287 (39.8) | 0.5738 |
Male | 668 (61.6) | 435 (60.3) | Â | |
Race and ethnicity | Black | 59 (5.4) | 43 (6.0) | 0.8859 |
Hispanic | 17 (1.6) | 9 (1.3) | Â | |
Other | 49 (4.5) | 30 (4.2) | Â | |
White | 960 (88.5) | 640 (88.6) | Â | |
Non-cancer controls | 145,548 (100.0) | 97,106 (100.0) | Â | |
Age Group | 66-69 | 28,549 (19.6) | 19,036 (19.6) | 0.2610 |
70-74 | 36,729 (25.2) | 24,269 (25.0) | Â | |
75-79 | 33,361 (22.9) | 22,597 (23.3) | Â | |
80-84 | 24,635 (16.9) | 16,479 (17.0) | Â | |
85 and older | 22,274 (15.3) | 14,725 (15.2) | Â | |
Sex | Female | 89,736 (61.7) | 60,050 (61.8) | 0.3564 |
Male | 55,812 (38.4) | 37,056 (38.2) | Â | |
Race and ethnicity | Black | 10,385 (7.1) | 7,148 (7.4) | 0.0037 |
Hispanic | 3,685 (2.5) | 2,279 (2.4) | Â | |
Other | 8,681 (6.0) | 5,897 (6.1) | Â | |
White | 122,797 (84.4) | 81,782 (84.2) | Â | |