组别

喂养耐受

喂养不耐受

合计

对照组

22 (55.0%)

18 (45.0%)

40

轻音乐组

31 (77.5%)

9 (22.5%)^b

40

白噪声组

30 (78.9%)

8 (21.1%)^b

38

母亲声音组

33 (84.6%)

6 (15.4%)^b

39

参数值

10.496^a

P

0.015