Research Article

[Retracted] Growth and Development in Preterm Infants and Maternal Parenting Stress after WeChat-Based Extended Care

Table 1

Clinical data of PIs.

GroupnGestational age (weeks)Male/femaleBirth weight (kg)Ethnic group Han/ethnic minorities

WeChat group4631.3 ± 1.825 (54.4)/21 (45.6)2.2 ± 0.645 (97.8)/1 (2.2)
Control group3931.0 ± 1.622 (56.4)/17 (43.6)2.4 ± 0.536 (92.3)/3 (7.7)
χ2/t0.8050.0361.6511.433
0.4230.8490.1030.231