Table 5. Comparison on 20mSRT (speed at the last completed stage, km.h
-1) performance between Chinese children and youth and international standard.
|
China |
International[1] |
t |
P |
|
Age(yr) |
N |
Mean |
SD |
N |
Mean |
SD |
| Boy |
9 |
3876 |
9.68 |
0.64 |
101532 |
10.03 |
0.85 |
-25.45 |
<0.01 |
| 10 |
4160 |
9.80 |
0.67 |
81538 |
10.13 |
0.92 |
-23.08 |
<0.01 |
| 11 |
4149 |
9.97 |
0.69 |
79660 |
10.25 |
1.00 |
-17.89 |
<0.01 |
| 12 |
3868 |
10.24 |
0.81 |
70266 |
10.47 |
1.11 |
-12.45 |
<0.01 |
| 13 |
3815 |
10.60 |
0.92 |
72913 |
10.73 |
1.21 |
-6.71 |
<0.01 |
| 14 |
3826 |
10.83 |
0.96 |
65317 |
10.97 |
1.28 |
-6.51 |
<0.01 |
| 15 |
4200 |
11.00 |
1.00 |
53287 |
11.12 |
1.33 |
-5.74 |
<0.01 |
| 16 |
4273 |
11.02 |
1.03 |
35490 |
11.27 |
1.37 |
-11.48 |
<0.01 |
| 17 |
3632 |
11.10 |
1.03 |
29123 |
11.41 |
1.42 |
-12.88 |
<0.01 |
| Total |
35799 |
|
589126 |
|
| Girls |
9 |
3753 |
9.60 |
0.60 |
98166 |
9.71 |
0.70 |
-9.33 |
<0.01 |
| 10 |
3704 |
9.70 |
0.59 |
81415 |
9.75 |
0.77 |
-3.57 |
<0.01 |
| 11 |
3640 |
9.85 |
0.60 |
78029 |
9.79 |
0.83 |
4.32 |
<0.01 |
| 12 |
3553 |
10.00 |
0.65 |
69497 |
9.83 |
0.88 |
11.51 |
<0.01 |
| 13 |
3451 |
10.23 |
0.76 |
92491 |
9.86 |
0.91 |
23.40 |
<0.01 |
| 14 |
3601 |
10.25 |
0.75 |
55035 |
9.89 |
0.93 |
22.52 |
<0.01 |
| 15 |
4075 |
10.25 |
0.73 |
43730 |
9.91 |
0.94 |
22.43 |
<0.01 |
| 16 |
4386 |
10.17 |
0.66 |
34978 |
9.93 |
0.95 |
16.40 |
<0.01 |
| 17 |
3998 |
10.21 |
0.68 |
29559 |
9.96 |
0.97 |
16.04 |
<0.01 |
| Total |
34161 |
|
552900 |
|
The ages shown represent age at last birthday (e.g. 17=17.00–17.99). [1]Tomkinson GR, Lang JJ, Tremblay MS, et al. International normative 20 m shuttle run values from 1,142,026 children and youth representing 50 countries. British Journal of Sports Medicine 51, 1545-1554
