Table 3 Agreement between clinical variables in the DNOR and the same information from the medical records estimated from a random sample of 100 patients
From: The Danish Neuro-Oncology Registry: establishment, completeness and validity
Selected clinical variables | Medical records/DNORa (numbers) | Agreement (%) | 95 % CI (%) | Kappab (k value) |
|---|---|---|---|---|
Onset symptoms | ||||
Focal deficit | 83/99 | 84 | 75–90 | 0.61 |
Seizure | 89/99 | 90 | 82–95 | 0.71 |
Cognitive change | 75/99 | 76 | 66–84 | 0.52 |
Headache | 83/99 | 84 | 75–90 | 0.61 |
Diagnostic work-up | ||||
Preoperative MRI performed | 100/100 | 100 | – | 1.0 |
Date of preoperative MRI (±1 day) | 83/99 | 84 | 75–90 | – |
Preoperative MRI: number of tumors | 92/99 | 93 | 86–97 | 0.75 |
Preoperative MRI: contrast enhancement | 85/87 | 98 | 92–100 | 0.49 |
Preoperative MRI: crossing midline | 82/90 | 91 | 83–96 | 0.62 |
Preoperative MRI: localization | 92/99 | 93 | 86–97 | 0.75 |
Preop. MRI: tumor diameter (±5 mm) | 51/91 | 56 | 45–66 | – |
Preop. MRI: orthogonal diam. (±5 mm) | 43/75 | 57 | 45–69 | – |
Surgery | ||||
Procedure code of surgery | 77/100 | 77 | 68–85 | 0.63 |
Date of surgery (±1 day) | 99/100 | 99 | 95–100 | – |
Postoperative MRI performed | 93/100 | 93 | 86–97 | 0.72 |
Date of postoperative MRI (±1 day) | 76/82 | 93 | 84–97 | – |
Residual tumor on postoperative MRI | 65/81 | 80 | 70–88 | 0.52 |
Radiotherapy | ||||
Performance status before radiotherapy | 53/57 | 93 | 83–98 | 0.87 |
Date of 1st radiation therapy (±1 day) | 88/100 | 88 | 80–94 | – |
Treatment status, radiotherapy | 95/100 | 95 | 89–98 | 0.43 |
Chemotherapy | ||||
Performance status before chemotherapy | 52/57 | 91 | 80–97 | 0.84 |
Date of 1st Chemotherapy (±1 day) | 80/92 | 87 | 78–93 | – |
Treatment status, chemotherapy | 82/91 | 90 | 82–95 | 0.63 |