Group

X ¯

SD

N

AL at baseline

Atropine group

24.6114

0.69726

44

Control group

24.7805

0.59421

20

Total

24.6642

0.66675

64

AL at March

Atropine group

24.6443

0.6938

44

Control group

24.893

0.58979

20

Total

24.722

0.66855

64

AL at June

Atropine group

24.678

0.6857

44

Control group

24.9815

0.60552

20

Total

24.7728

0.67202

64