TableĀ 1

Sample of survey results on working methods for variant collection and classification from laboratory directors

QuestionLaboratory directors onlyTotal
(C2) Use formal tracking system for variants in the literatureYes: 9 (56%)
No: 7 (44%)
n=16
Yes: 11 (46%)
No: 13 (54%)
n=24
(C5) Use the the American College of Medical Genetics (ACMG) system for classifying sequence variantsYes: 10 (67%)
No: 5 (33%)
n=15
Yes: 12 (63%)
No: 7 (37%)
n=19
(C6) Laboratory uses consistent set of terms for classificationYes: 11 (69%)
No: 5 (31%)
n=16
Yes: 13 (65%)
No: 7(35%)
n=20
(C11) Laboratory has written rules for evidence-based classification of variantsYes: 6 (40%)
No: 9 (60%)
n=15
Yes: 8 (40%)
No: 12 (60%)
n=20
(C19) Variant data are linked to all patients with particular variantYes: 9 (69%)
No: 4 (31%)
n=13
Yes: 12 (67%)
No: 6 (33%)
n=18
(C21) Variant data are linked to disease typeYes: 8 (62%)
No: 5 (38%)
n=13
Yes: 11 (61%)
No: 7 (39%)
n=18
(C23) Maintains database tracking individuals with particular variantYes: 11 (73%)
No: 3 (20%)
DK: 1 (7%)
n=15
Yes: 15 (68%)
No: 6 (27%)
DK: 1 (5%)
n=22
(C24) Maintains database tracking families associated with particular variantYes: 7 (47%)
No: 8 (53%)
n=15
Yes: 12 (55%)
No: 10 (45%)
n=22
  • Percentages are based on the total number of responses received per question. Question numbers are stated in brackets. For complete survey questions and results see online supplementary appendix 3. For each question, the majority response has been bolded.

  • DK: don't know.