Table 1.

Number of diagnosis not reached (DNR) submissions in each syndrome, proportion of total submissions in each submission that were DNRs and mean and range of the number and proportion of DNRs recorded by each Regional Laboratory (RL).

Syndrome	Total number of DNRs	Proportion of all submissions that were DNRs	Mean (range) of number of DNRs recorded in each RL	Mean (range) of proportion of DNRs recorded in each RL
Fetopathy	4111	0.46	257 (26, 817)	0.48 (0.35, 0.58)
Systemic disease	1359	0.10	85 (1, 325)	0.11 (0.00, 0.26)
Digestive disease	10322	0.27	645 (13, 1813)	0.26 (0.15, 0.32)
Respiratory disease	881	0.10	55 (1, 186)	0.10 (0.01, 0.18)
Musculoskeletal disease	138	0.24	9 (2, 31)	0.23 (0.00, 0.45)
Nervous disease	114	0.22	7 (1, 13)	0.23 (0.11, 0.46)
Total	16,925	0.24	1058 (57, 3173)	0.24 (0.17, 0.30)

Only includes DNRs that satisfy the selection criteria described in the data collation and selection section in the period 1 January 2002 to 31 December 2007.