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TABLE B-15
1998 VERMONT RESIDENT BIRTHS
BIRTH WEIGHT IN GRAMS BY WEEKS GESTATION
NUMBER OF EVENTS AND CUMULATIVE ROW PERCENTS
BIRTH WEIGHT
NUMBER OF EVENTS
WEEKS OF 500- 1000- 1500- 2000- 2500- 3000 3500- 4000- 4500- 5000-
GESTATION* <500 999 1499 1999 2499 2999 3499 3999 4499 4999 5499 5500+ UNKNOWN TOTAL
------------ ---- ---- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ------- -----
UNDER 28 WEEKS 8 23 4 0 0 0 0 0 0 0 0 0 0 35
28-31 WEEKS 1 5 38 13 2 0 0 1 0 0 0 0 0 60
32-35 WEEKS 0 0 10 50 78 57 15 0 0 0 0 0 0 210
36 WEEKS 0 0 1 6 50 93 79 0 0 0 0 0 2 231
37-39 WEEKS 0 0 0 6 103 454 1136 815 191 36 1 2 1 2745
40 WEEKS 0 0 0 1 9 138 547 620 220 37 3 0 0 1575
41 WEEKS 0 0 0 0 1 61 304 450 180 37 5 0 0 1038
42+ WEEKS 0 0 0 3 1 46 199 225 109 23 1 0 0 607
UNKNOWN 0 3 1 7 9 0 6 11 18 7 2 0 4 68
TOTAL 9 31 54 86 253 849 2286 2122 718 140 12 2 7 6569
CUMULATIVE ROW PERCENTS - EXCLUDING UNKNOWNS
WEEKS OF 500- 1000- 1500- 2000- 2500- 3000 3500- 4000- 4500- 5000-
GESTATION* <500 999 1499 1999 2499 2999 3499 3999 4499 4999 5499 5500+
------------ ---- ---- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
UNDER 28 WEEKS 22.9 88.6 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0
28-31 WEEKS 1.7 10.0 73.3 95.0 98.3 98.3 98.3 100.0 100.0 100.0 100.0 100.0
32-35 WEEKS 0.0 0.0 4.8 28.6 65.7 92.9 100.0 100.0 100.0 100.0 100.0 100.0
36 WEEKS 0.0 0.0 0.4 3.1 24.9 65.5 100.0 100.0 100.0 100.0 100.0 100.0
37-39 WEEKS 0.0 0.0 0.0 0.2 4.0 20.5 61.9 91.6 98.6 99.9 99.9 100.0
40 WEEKS 0.0 0.0 0.0 0.1 0.6 9.4 44.1 83.5 97.5 99.8 100.0 100.0
41 WEEKS 0.0 0.0 0.0 0.0 0.1 6.0 35.3 78.6 96.0 99.5 100.0 100.0
42+ WEEKS 0.0 0.0 0.0 0.5 0.7 8.2 41.0 78.1 96.0 99.8 100.0 100.0
UNKNOWN 0.0 4.7 6.3 17.2 31.3 31.3 40.6 57.8 85.9 96.9 100.0 100.0
TOTAL 0.1 0.6 1.4 2.7 6.6 19.5 54.4 86.7 97.7 99.8 100.0 100.0
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* SEE APPENDIX B FOR DATA QUALITY NOTES