Table 5 |
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|
Illness severity by 250 gram birthweight increments. Data for infants <500 grams are not provided due to small numbers. |
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|
Birthweight 500–749 grams |
Birthweight 750–999 grams |
Birthweight 1000–1249 grams |
Birthweight 1250–1500 grams |
Birthweight p |
|
|
|
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|
T4 (μg/dl) |
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|
Cohort 1 1993–1996 |
4.5 ± 2.3 |
6.1 ± 3.1 |
8.0 ± 3.5 |
9.8 ± 3.6 |
<.01 |
|
Cohort 2 1996–1999 |
4.3 ± 3.3 |
5.8 ± 2.9 |
7.4 ± 2.9 |
8.9 ± 3.2 |
<.01 |
|
Cohort 3 1999–2002 |
3.6 ± 2.3 |
5.0 ± 2.9 |
6.9 ± 3.7 |
8.3 ± 3.7 |
<.01 |
|
Cohort, p |
.20 |
.03 |
.04 |
.03 |
|
|
SNAP |
|||||
|
Cohort 2 1996–1999 |
17.1 ± 6.7 |
13.6 ± 7.0 |
10.1 ± 5.0 |
8.0 ± 4.6 |
<.01 |
|
Cohort 3 1999–2002 |
22.0 ± 9.3 |
15.8 ± 7.6 |
11.4 ± 5.4 |
9.3 ± 5.7 |
<.01 |
|
Cohort, p |
.01 |
.03 |
.04 |
.05 |
|
|
|
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|
Paul et al. BMC Pediatrics 2006 6:2 doi:10.1186/1471-2431-6-2 |
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