Table 3. Percentage of performance improvement and intra-swimmer coefficient of variation between rounds in the men Top16, semi-finalists and finalists.
Event |
Swimmers |
E-H |
H-SF |
SF-F |
p-value |
%IMP |
%CV |
p-value |
%IMP |
%CV |
p-value |
%IMP |
%CV |
Fr50 |
Top16 |
<0.001 |
-1.02±0.55 |
0.72 |
0.048 |
0.43±0.63 |
0.38 |
- |
- |
- |
Semi-finalist |
0.002 |
-1.14±0.57 |
0.81 |
1.000 |
0.11±0.30 |
0.18 |
- |
- |
- |
Finalist |
0.013 |
-0.90±0.54 |
0.64 |
0.137 |
0.75±0.73 |
0.58 |
1.000 |
0.35±0.78 |
0.44 |
Bk50 |
Top16 |
0.048 |
-0.77±1.14 |
0.77 |
0.004 |
0.74±0.74 |
0.60 |
- |
- |
- |
Semi-finalist |
0.026 |
-0.66±0.52 |
0.55 |
0.156 |
0.62±0.75 |
0.58 |
- |
- |
- |
Finalist |
0.963 |
-0.88±1.58 |
0.99 |
0.093 |
0.86±0.77 |
0.62 |
0.482 |
-0.22±0.31 |
0.19 |
Br50 |
Top16† |
0.698 |
-0.37±1.12 |
0.67 |
0.010 |
0.28±0.30 |
0.23 |
- |
- |
- |
Semi-finalist‡ |
1.000 |
-0.31±1.37 |
0.74 |
0.182 |
0.11±0.82 |
0.28 |
- |
- |
- |
Finalist |
1.000 |
-0.28±0.91 |
0.60 |
0.167 |
0.23±0.24 |
0.18 |
1.000 |
0.07±0.61 |
0.33 |
Fly50 |
Top16 |
1.000 |
-0.04±1.90 |
0.97 |
1.000 |
0.50±0.84 |
0.92 |
- |
- |
- |
Semi-finalist |
1.000 |
-0.18±1.23 |
0.68 |
1.000 |
0.17±0.70 |
0.33 |
- |
- |
- |
Finalist |
1.000 |
0.10±2.50 |
1.12 |
0.209 |
0.82±0.89 |
0.66 |
1.000 |
-0.03±0.93 |
0.56 |
Fr100 |
Top16 |
0.639 |
-0.31±0.94 |
0.54 |
0.009 |
0.70±0.78 |
0.64 |
- |
- |
- |
Semi-finalist |
1.000 |
0.19±0.70 |
0.36 |
1.000 |
0.12±0.68 |
0.39 |
- |
- |
- |
Finalist |
0.243 |
-0.81±0.91 |
0.72 |
<0.001 |
1.27±0.26 |
0.89 |
0.021 |
-0.63±0.41 |
0.45 |
Bk100 |
Top16 |
<0.001 |
-1.26±0.76 |
0.91 |
0.009 |
0.80±0.91 |
0.61 |
- |
- |
- |
Semi-finalist |
0.002 |
-1.28±0.60 |
0.91 |
0.945 |
0.13±0.33 |
0.18 |
- |
- |
- |
Finalist |
0.048 |
-1.23±0.94 |
0.90 |
0.007 |
1.47±0.80 |
1.03 |
1.000 |
0.18±0.95 |
0.55 |
Br100 |
Top16 |
<0.001 |
-1.03±0.67 |
0.76 |
0.111 |
0.43±0.75 |
0.53 |
- |
- |
- |
Semi-finalist |
0.034 |
-0.69±0.57 |
0.55 |
1.000 |
0.11±0.80 |
0.48 |
- |
- |
- |
Finalist |
0.003 |
-1.37±0.61 |
0.98 |
0.045 |
0.75±0.57 |
0.59 |
1.000 |
0.07±0.36 |
0.22 |
Fly100 |
Top16 |
0.005 |
-0.85±0.90 |
0.71 |
0.002 |
0.52±0.99 |
0.41 |
- |
- |
- |
Semi-finalist |
0.025 |
-0.67±0.52 |
0.47 |
0.016 |
0.51±0.36 |
0.37 |
- |
- |
- |
Finalist |
0.254 |
-1.04±1.18 |
0.95 |
0.294 |
0.53±0.63 |
0.45 |
1.000 |
-0.05±0.33 |
0.18 |
Fr200 |
Top16 |
<0.001 |
-0.99±0.62 |
0.70 |
0.001 |
0.40±0.35 |
0.33 |
- |
- |
- |
Semi-finalist |
0.002 |
-1.17±0.55 |
0.83 |
0.460 |
0.25±0.44 |
0.27 |
- |
- |
- |
Finalist |
0.069 |
-0.81±0.67 |
0.57 |
<0.001 |
0.56±0.14 |
0.39 |
0.136 |
0.49±0.48 |
0.39 |
Bk200 |
Top16 |
<0.001 |
-1.28±1.03 |
0.94 |
0.281 |
0.35±0.77 |
0.62 |
- |
- |
- |
Semi-finalist |
0.026 |
-1.37±1.08 |
0.98 |
1.000 |
-0.06±0.80 |
0.47 |
- |
- |
- |
Finalist |
0.093 |
-1.18±1.05 |
0.90 |
0.016 |
0.76±0.48 |
0.57 |
1.000 |
0.22±0.82 |
0.44 |
Br200 |
Top16† |
<0.001 |
-1.43±0.96 |
1.08 |
<0.001 |
0.63±0.51 |
0.49 |
- |
- |
- |
Semi-finalist‡ |
0.042 |
-1.06±1.31 |
1.04 |
0.092 |
-0.17±1.12 |
0.43 |
- |
- |
- |
Finalist |
0.018 |
-1.49±0.94 |
1.11 |
0.031 |
0.75±0.54 |
0.53 |
1.000 |
-0.02±0.43 |
0.27 |
Fly200 |
Top16 |
0.002 |
-0.91±0.86 |
0.73 |
0.002 |
0.75±0.70 |
0.63 |
- |
- |
- |
Semi-finalist |
0.107 |
-0.76±0.82 |
0.65 |
0.606 |
0.34±0.67 |
0.45 |
- |
- |
- |
Finalist |
0.083 |
-1.06±0.93 |
0.82 |
0.001 |
1.16±0.45 |
0.81 |
1.000 |
0.14±0.85 |
0.44 |
Fr, freestyle; Bk, backstroke; Br, breaststroke; Fly, butterfly; E, entry times; H, heats; SF, semifinals; F, finals; %, percentage; IMP, performance improvement; CV, intra-swimmer’s coefficient of variation.‡, n=7† , n=15