组别

n

抬头

撑起上半身

独坐

观察组

46

53.42 ± 7.30^a

110.81 ± 15.86^a

170.31 ± 14.78^a

对照组

46

60.22 ± 9.75

121.63 ± 17.32

178.65 ± 17.02

t

-

3.787

3.125

2.509

P

-

0.000

0.002

0.014