Table 2 Gestational age, Birth weight distribution of KMC infants
Variable | Preterm infant discharged | Premature discharged that performed KMC, N(%) | Compared with gestational age<28 week or birth weight<1000 g | ||
|---|---|---|---|---|---|
χ2 | P | ||||
Total | 638 | 135 (21.2%) | |||
Gestational age (week) | < 28 | 24 | 12 (50.0%) | – | – |
28 - < 32 | 135 | 76 (56.3%) | 0.3 | 0.6 | |
32- < 34 | 155 | 35 (22.6%) | 8.1 | < 0.01 | |
34 - < 37 | 324 | 12 (3.7%) | 67.6 | < 0.01 | |
χ2 | 171.2 | ||||
P | <0.01 | ||||
Birth weight (g) | < 1000 | 27 | 13 (48.1%) | – | – |
1000- < 1500 | 117 | 69 (59.0%) | 1.0 | 0.3 | |
1500- < 2000 | 166 | 41 (24.7%) | 6.3 | 0.01 | |
2000- < 2500 | 191 | 10 (5.2%) | 41.7 | < 0.01 | |
≥2500 | 137 | 3 (2.2%) | 49.0 | < 0.01 | |
χ2 | 171.0 | ||||
P | <0.01 | ||||