血小板输注(n = 10)

无血小板输注(n = 184)

Z/X²

P值

胎龄/(w)

31.215

32.86

−0.769

0.442

体重/(g)

1350

1600

−0.772

0.44

轻度出血

2 (20.0%)

65 (35.3%)

0.424

0.515

重度出血

6 (60.0%)

10 (5.4%)

30.455

0.000

颅内出血

3 (30.0%)

9 (4.9%)

6.432

0.011

死亡或放弃治疗

3 (30.0%)

18 (9.8%)

2.195

0.138