|
Tabla 3: Crecimiento ponderal acumulado, en gramos. |
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|
Periodo (días) |
Pacientes con ECN |
Pacientes sin ECN |
p |
||
|
n |
Promedio (IC95%) |
n |
Promedio (IC95%) |
||
|
Nacimiento-3 |
3 |
−1.67 (−4.9 - 1.6) |
196 |
−19.9 (−30.8 - −9.1) |
0.002* |
|
3 a 7 |
14 |
42.1 (−14.7 - 98.9) |
185 |
30.6 (16.0 - 45.1) |
0.680 |
|
7 a 10 |
23 |
93.3 (42.9 - 143.7) |
176 |
108.7 (90.8 - 126.5) |
0.560 |
|
10 a 14 |
38 |
182.3 (131.3 - 233.0) |
161 |
179.2 (157.4 - 200.0) |
0.900 |
|
14 a 18 |
45 |
279.3 (224.0 - 334.1) |
154 |
241.1 (217.6 - 264.6) |
0.150 |
|
18 a 21 |
52 |
318.2 (260.3 - 376.0) |
147 |
299.3 (273.8 - 324.8) |
0.490 |
|
21 a 28 |
56 |
418.3 (373.2 - 463.0) |
125 |
452.0 (422.0 - 481.9) |
0.220 |
|
28 a 35 |
56 |
534.4 (482.0 - 586.7) |
108 |
573.8 (540.4 - 607.1) |
0.190 |
|
35 a 50 |
45 |
763.8 (704.0 - 823.2) |
57 |
812.0 (764.0 - 859.3) |
0.210 |
|
ECN = enterocolitis necrosante. IC95% = intervalo de confianza de 95%. Prueba t de Student: * Varianzas no iguales. |
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