Table 2.
Validity Of The ICD-10 Codes Used To Identify Incident Cancer Diagnoses Registered In The SIDIAP Database, Cataloniaa (2009–2015)b
| Cancer Type (ICD-10 CM) | Cancer Cases, n | Sensitivity, % (95% CI) | PPV, % (95% CI) | ||
|---|---|---|---|---|---|
| CCRs | SIDIAP | Confirmed | |||
| Head and neck (C00-C14) | 650 | 819 | 332 | 51.1 (47.2–54.9) | 40.5 (37.2–43.9) |
| Esophagus (C15) | 211 | 255 | 157 | 74.4 (68.5–80.3) | 61.6 (55.6–67.5) |
| Stomach (C16) | 673 | 633 | 455 | 67.6 (64.1–71.1) | 71.9 (68.4–75.4) |
| Colorectal (C18-C21) | 3743 | 4329 | 3035 | 81.1 (79.8–82.3) | 70.1 (68.7–71.5) |
| Liver (C22) | 561 | 625 | 364 | 64.9 (60.9–68.8) | 58.2 (54.4–62.1) |
| Gallbladder & biliary tract (C23-C24) | 197 | 107 | 57 | 28.9 (22.6–35.3) | 53.3 (43.8–62.7) |
| Pancreas (C25) | 578 | 590 | 419 | 72.5 (68.8–76.1) | 71.0 (67.4–74.7) |
| Larynx (C32) | 337 | 403 | 226 | 67.1 (62.0–72.1) | 56.1 (51.2–60.9) |
| Trachea, bronchus & lung (C33-C34) | 2152 | 2155 | 1631 | 75.8 (74.0–77.6) | 75.7 (73.9–77.5) |
| Bone and articular cartilage (C40-C41) | 39 | 106 | 24 | 61.5 (46.3–76.8) | 22.6 (14.7–30.6) |
| Malignant melanoma of skin (C43) | 550 | 962 | 417 | 75.8 (72.2–79.4) | 43.3 (40.2–46.5) |
| Breast (C50) | 3325 | 4456 | 2958 | 89.0 (87.9–90.0) | 66.4 (65.0–67.8) |
| Cervix uteri (C53) | 198 | 416 | 118 | 59.6 (52.8–66.4) | 28.4 (24.0–32.7) |
| Corpus uteri (C54-C55) | 576 | 661 | 424 | 73.6 (70.0–77.2) | 64.1 (60.5–67.8) |
| Ovary (C56) | 263 | 398 | 190 | 72.2 (66.8–77.7) | 47.7 (42.8–52.6) |
| Prostate (C61) | 2820 | 3596 | 2286 | 81.1 (79.6–82.5) | 63.6 (62.0–65.1) |
| Testis (C62) | 139 | 175 | 102 | 73.4 (66.0–80.7) | 58.3 (51.0–65.6) |
| Kidney (C64) | 536 | 730 | 397 | 74.1 (70.4–77.8) | 54.4 (50.8–58.0) |
| Bladder (C67) | 1456 | 2370 | 1108 | 76.1 (73.9–78.3) | 46.8 (44.7–48.8) |
| Brain and CNS (C70-C72, C75.1-C75.3)c | 393 | 544 | 298 | 75.8 (71.6–80.1) | 54.8 (50.6–59.0) |
| Thyroid (C73) | 395 | 432 | 264 | 66.8 (62.2–71.5) | 61.1 (56.5–65.7) |
| Hodgkin lymphoma (C81) | 144 | 142 | 92 | 63.9 (56.0–71.7) | 64.8 (56.9–72.6) |
| Non-Hodgkin lymphoma (C82-C86, C96) | 709 | 909 | 472 | 66.6 (63.1–70.0) | 51.9 (48.7–55.2) |
| Multiple myeloma (C90) | 294 | 362 | 233 | 79.3 (74.6–83.9) | 64.4 (59.4–69.3) |
| Leukemia (C91-C95) | 620 | 871 | 419 | 67.6 (63.9–71.3) | 48.1 (44.8–51.4) |
Notes: aProvinces of Girona and Tarragona. bData from the Tarragona Cancer Registry was only available for 2009–2013. cInclude pituitary gland and pineal gland tumors.
Abbreviations: CI, Confidence Interval; CNS, Central Nervous System; CCRs, Catalonia Cancer Registries; ICD-10, International Classification for Diseases, 10th revision; PPV, positive predictive values; SIDIAP, Information System for Research in Primary Care.