喂养类型

χ²/H

P值

三组间

母乳喂养组

(n = 141)

母乳 + 强化剂喂养组

(n = 154)

配方奶喂养组

(n = 135)

喂养不耐受n (%)

27 (19)

10 (7)

14 (10)

11.695

0.003

肠外营养时间，天

29 (21~35)

17 (13~24)

23 (16~33)

61.511

<0.001

恢复出生体重时间，天

10 (7~12)

9 (7~12)

9 (7~12)

0.94

0.625

胆汁淤积，n (%)

21 (15)

20 (14)

36 (27)

10.453

0.005

谷丙转氨酶异常，n (%)

8 (6)

8 (5)

7 (5)

0.059

1

NEC, n (%)

10 (7)

10 (7)

11 (8)

0.299

0.861

BPD, n (%)

93 (66)

65 (42)

65 (48)

17.716

<0.001

ROP, n (%)

38 (27)

25 (16)

28 (21)

5.088

0.079

晚发败血症，n (%)

51 (36)

27 (18)

29 (22)

14.898

<0.001

住院时间，天

77 (59~98)

59 (43~77)

65 (46~79)

25.547

<0.001

出院头围增长，cm/周

0.7 (0.56~0.87)

0.7 (0.55~0.91)

0.7 (0.56~0.87)

0.623

0.732