TCH: % Major Morbidities (among survivors) by Gestational Age

Academic Year: 2004–2005
Gestational Age (completed weeks) Total #
Survivors		 All IVH IVH
Grade 3–4		 Cystic PVL BPD NEC ROP Surg. Late Sepsis PDA Airleak
% Total
Survivors		 % All IVH
 
22–23 10 10 0 – 10 80 10 100 30 30 10
24 12 50 42 83 33 100 0 58 50 50 25
25 16 38 25 67 13 69 6 38 38 50 6
≤25 38 34 24 69 18 82 5 61 40 45 13
26 19 32 11 33 5 68 0 21 42 47 0
27 22 14 0 – 0 32 5 18 36 18 5
28 18 28 6 20 6 56 6 17 56 33 6
29 20 20 0 – 10 20 0 0 30 10 5
30 32 8 0 – 0 19 3 0 25 16 3
≤30 149 22 8 36 7 48 3 23 37 29 6
31 29 12 0 – 0 10 0 0 17 7 3
32 44 18 2 14 2 18 5 2 18 14 9
33–34 70 14 1 17 0 0 10 0 16 9 7
35–36 125 4 0 – 0 0 0 0 6 9 6
≥37 407 5 0.2 9 0.2 0.5 0.7 0.2 11 7 6
Total 824 12 2 24 2 10 2 4 16 12 6
Academic Year: 2003–2004
Gestational Age (completed weeks) Total #
Survivors		 All IVH IVH
Grade 3–4		 Cystic PVL BPD NEC ROP Surg. Late Sepsis PDA Airleak
% Total
Survivors		 % All IVH
 
22–23 4 100 100 100 25 75 0 75 50 75 25
24 15 60 33 56 20 80 7 60 67 33 20
25 24 38 8 22 4 75 4 50 63 29 17
≤25 43 51 26 50 12 77 5 56 63 35 19
26 21 52 19 36 0 71 5 38 50 33 10
27 15 40 0 – 0 40 7 7 33 27 7
28 26 42 19 45 19 35 12 15 42 42 12
29 17 29 6 20 6 24 0 6 18 18 6
30 22 23 0 – 0 18 5 0 23 9 5
≤30 144 42 15 35 8 49 6 26 43 33 11
31 33 9 3 33 3 21 3 0 15 9 3
32 37 14 0 – 3 11 0 5 8 8 5
33–34 66 8 2 20 2 2 2 0 8 3 5
35–36 125 3 0 – 1 1 2 0 10 3 4
≥37 416 2 0 – 0.5 0 0.5 0 7 0.4 9
Total 821 10 3 27 2 10 2 5 14 7 8