Table 3 Sampled patients with side identified by ICD code or by abstraction
From: Validation of diagnosis codes to identify side of colon in an electronic health record registry
Tumor location, n (%) | Side identified by ICD code | Side identified by abstraction (n = 200) | |
|---|---|---|---|
Including unspecified ICD codes (n = 200) | Excluding unspecified ICD codes (n = 124) | ||
Left colon only | 70 (35) | 70 (56) | 99 (49.5) |
Right colon only | 35 (17.5) | 35 (28) | 67 (33.5) |
Transverse colon only | 10 (5) | 10 (8) | 12 (6) |
Unspecified colon site only | 76 (38) | – | 22 (11) |
Rectum | 8 (4) | 8 (6) | 0 |
Right colon and transverse colon | 1 (0.5) | 1 (0.8) | 0 |