Table 1 General characteristics of the cohort of 1007 consecutive GS cases.

From: Successful application of genome sequencing in a diagnostic setting: 1007 index cases from a clinically heterogeneous cohort

Features

Cohort of all GS case

(n = 1007)

Age at onset

Range: prenatal–59 years

 Prenatal

165 (16%)

  0–5 years old

386 (38%)

  6–16 years old

50 (5%)

  Older than 16 years old

24 (2%)

  Unknown

382 (38%)

Age at testing

  Prenatal

11 (1%)

  0–5 years old

501 (50%)

  6–16 years old

329 (33%)

  Older than 16 years old

138 (14%)

  Unknown

28 (9%)

Family history

  Positive

357 (35%)

  Negative

382 (38%)

  Unknown

268 (27%)

Consanguinity

  Yes

513 (51%)

  No

338 (34%)

  Unknown

156 (15%)

Geographical origin

  North America

39 (4%)

  Latin America

37 (4%)

  Europe

114 (11%)

  Middle East–North Africa

785 (78%)

  Asia–Australia

32 (3%)

Previous genetic testing

  ES

358 (36%)

  CMA

165 (16%)

  Panel

80 (8%)

  Other

235 (23%)

  Total number of tests

838

GS test design

  Solo

476 (47%)

  Trio

437 (44%)

  Other

94 (9%)