变量

紧急环扎(n = 18)

选择环扎(n = 40)

治疗环扎(n = 80)

合计(n = 138)

分娩总成功率

76.2%^ac

82%^a

95.5%^c

90.15%

环扎至分娩间隔(天)

35.39 ± 32.17^a*c*

105.30 ± 54.30^a*

92.35 ± 43.01^c*

88.67 ± 49.96

分娩时孕周(周)

平均值

29.63 ± 6.52^c

32.76 ± 7.58^b

36.51 ± 3.42^bc

34.53 ± 5.90

<24周

4 (22.22%)^c

7 (17.5%)^b

1 (1.25%)^bc

12 (8.70%)

24~28周

3 (16.67%)

2 (5%)

3 (3.75%)

8 (5.80%)

28⁺¹~32周

4 (22.22%)^c

4 (10%)^b

1 (1.25%)^bc

9 (6.52%)

32⁺¹~36周

2 (11.11%)

7 (17.5%)

17 (21.25%)

26 (18.84%)

>36周

5 (27.78%)^c

20 (50%)^b

58 (72.5%)^bc

83 (60.14%)

出生体重(克)

平均值

1649.1 ± 1106.54^c

2292.7 ± 1179.21^b

2840.13 ± 776.58^bc

2526.12 ± 1034.44

<1000

6 (33.33%)^c

8 (20.00%)^b

3 (3.75%)^bc

17 (12.32%)

1000~1999

6 (33.33%)^c

6 (15.00%)

7 (8.75%)^c

19 (13.77%)

≥2000

6 (33.33%)^ac*

26 (65.00%)^ab

70 (87.50%)^bc*

102 (73.91%)

活产率(%)

72.22% (13/18)^c

80.00% (32/40)^b

95.00% (76/80)^bc

87.68% (121/138)

Apgar评分

1 min

9.5 ± 1.73

9.9 ± 0.54

9.82 ± 0.88

9.81 ± 0.92

5 min

9.83 ± 0.58

10

9.91 ± 0.59

9.93 ± 0.51

新生儿身长(cm)

36.67 ± 10.81^c

42.00 ± 11.52^b

47.30 ± 4.80^bc

44.38 ± 8.94