Difference between revisions of "VolCT - Group 1B"
Jump to navigation
Jump to search
m (Volumetric CT - 1B Group moved to VolCT - Group 1B) |
|||
| Line 1: | Line 1: | ||
| + | ==Current Goals & Status:== | ||
| + | |||
| + | * Question: What is measurement variation for different software/user methods for a reference set of image data? | ||
| + | ** Intra-rater reliability, i.e., test-retest precision for pre-specified tumors (a.k.a. "marked up") by single image analysis operators | ||
| + | ** Ground Truth: Pooled from all image analyses meeting quality criteria to estimate confidence intervals around "true" volume. | ||
| + | ** Approach: Patient Change Data from RIDER Database: | ||
| + | *** > 300 cases as of Sept 2008 | ||
| + | *** Most with multiple time points | ||
| + | *** Few with thin slice (<1.5 mm thick) image data | ||
| + | *** No contours provided (user has to provide their own as part of measurement) | ||
| + | *** no outcome data | ||
| + | *** Publicly Available on NCIA | ||
| + | * Related Profile: [[CT_Lung_Nodule_Volume_Quantification_Profile#Activity:_Measurement| Lung Vol Quantification - Measurement Activity]] | ||
*[[Vol-CT - 1B Group Call Summaries]] | *[[Vol-CT - 1B Group Call Summaries]] | ||
*[[Media:Proposed_Group_1B_Questions_and_Datasets_2008-11-05v2.ppt|Proposed Group 1B Questions & Datasets (2008-11-05-v2) -- This is the powerpoint file that the 1B Group developed from our last conf call. Comments welcome - Mike]] | *[[Media:Proposed_Group_1B_Questions_and_Datasets_2008-11-05v2.ppt|Proposed Group 1B Questions & Datasets (2008-11-05-v2) -- This is the powerpoint file that the 1B Group developed from our last conf call. Comments welcome - Mike]] | ||
Revision as of 13:10, 16 December 2008
Current Goals & Status:
- Question: What is measurement variation for different software/user methods for a reference set of image data?
- Intra-rater reliability, i.e., test-retest precision for pre-specified tumors (a.k.a. "marked up") by single image analysis operators
- Ground Truth: Pooled from all image analyses meeting quality criteria to estimate confidence intervals around "true" volume.
- Approach: Patient Change Data from RIDER Database:
- > 300 cases as of Sept 2008
- Most with multiple time points
- Few with thin slice (<1.5 mm thick) image data
- No contours provided (user has to provide their own as part of measurement)
- no outcome data
- Publicly Available on NCIA
- Related Profile: Lung Vol Quantification - Measurement Activity
- Vol-CT - 1B Group Call Summaries
- Proposed Group 1B Questions & Datasets (2008-11-05-v2) -- This is the powerpoint file that the 1B Group developed from our last conf call. Comments welcome - Mike