Table 5. Percentage of performance improvement and intra-swimmer coefficient of variation between rounds in the women Top16, semifinalists 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 |
-1.38±1.10 |
1.01 |
0.002 |
0.36±0.75 |
0.59 |
- |
- |
- |
Semi-finalist‡ |
0.050 |
-0.82±1.26 |
1.07 |
0.754 |
0.13±0.42 |
0.48 |
- |
- |
- |
Finalist |
<0.001 |
-1.35±0.45 |
0.96 |
<0.001 |
0.97±0.29 |
0.68 |
1.000 |
1.04±0.47 |
0.26 |
Bk50 |
Top16 |
0.206 |
-0.74±1.51 |
0.88 |
<0.001 |
0.81±0.56 |
0.57 |
- |
- |
- |
Semi-finalist |
1.000 |
-0.14±1.43 |
0.74 |
0.013 |
0.58±0.40 |
0.41 |
- |
- |
- |
Finalist |
0.189 |
-1.34±1.41 |
1.02 |
0.013 |
1.03±0.62 |
0.73 |
0.433 |
-0.26±0.35 |
0.26 |
Br50 |
Top16† |
1.000 |
-0.37±1.64 |
0.97 |
0.844 |
0.32±1.09 |
0.54 |
- |
- |
- |
Semi-finalist‡ |
0.559 |
-0.54±0.96 |
0.66 |
1.000 |
0.05±0.58 |
0.32 |
- |
- |
- |
Finalist |
1.000 |
0.40±0.52 |
1.24 |
1.000 |
0.55±1.40 |
0.73 |
1.000 |
0.06±0.45 |
0.24 |
Fly50 |
Top16 |
0.012 |
-0.81±0.95 |
0.73 |
0.004 |
0.86±0.87 |
0.69 |
- |
- |
- |
Semi-finalist |
0.429 |
-0.50±0.86 |
0.48 |
0.119 |
0.52±0.58 |
0.45 |
- |
- |
- |
Finalist |
0.090 |
-1.12±0.99 |
0.99 |
0.074 |
1.20±1.01 |
0.94 |
1.000 |
0.21±0.66 |
0.42 |
Fr100 |
Top16 |
<0.001 |
-1.22±1.02 |
0.99 |
0.003 |
0.66±0.65 |
0.53 |
- |
- |
- |
Semi-finalist |
0.314 |
-1.36±0.79 |
0.84 |
1.000 |
0.68±0.62 |
0.23 |
- |
- |
- |
Finalist |
<0.001 |
-1.61±0.56 |
1.15 |
<0.001 |
1.19±0.31 |
0.83 |
1.000 |
0.13±0.34 |
0.23 |
Bk100 |
Top16 |
<0.001 |
-1.18±0.71 |
0.84 |
0.040 |
0.32±0.45 |
0.33 |
- |
- |
- |
Semi-finalist |
0.001 |
-1.42±0.65 |
1.02 |
0.790 |
0.19±0.42 |
0.28 |
- |
- |
- |
Finalist |
0.044 |
-0.95±0.72 |
0.67 |
0.168 |
0.46±0.47 |
0.38 |
0.957 |
-0.36±0.65 |
0.42 |
Br100 |
Top16† |
0.002 |
-1.21±1.06 |
0.95 |
0.017 |
0.55±0.66 |
0.45 |
- |
- |
- |
Semi-finalist‡ |
0.058 |
-1.01±0.85 |
0.79 |
1.000 |
0.17±0.48 |
0.26 |
- |
- |
- |
Finalist |
0.097 |
-1.39±1.25 |
1.09 |
0.029 |
0.89±0.62 |
0.62 |
0.942 |
-0.21±0.37 |
0.24 |
Fly100 |
Top16 |
0.003 |
-1.39±1.34 |
1.20 |
0.015 |
0.69±0.84 |
0.61 |
- |
- |
- |
Semi-finalist |
0.417 |
-0.91±1.55 |
1.01 |
0.699 |
0.43±0.93 |
0.51 |
- |
- |
- |
Finalist |
0.006 |
-1.87±0.97 |
1.36 |
0.039 |
0.96±0.70 |
0.72 |
1.000 |
0.47±0.85 |
0.57 |
Fr200 |
Top16† |
0.006 |
-0.97±0.99 |
0.76 |
0.005 |
0.66±0.65 |
0.56 |
- |
- |
- |
Semi-finalist‡ |
0.771 |
-0.32±0.69 |
0.38 |
0.612 |
0.38±0.69 |
0.43 |
- |
- |
- |
Finalist |
0.011 |
-1.54±0.89 |
1.10 |
0.011 |
0.92±0.53 |
0.67 |
1.000 |
0.09±0.83 |
0.48 |
Bk200 |
Top16 |
<0.001 |
-1.83±1.16 |
1.32 |
0.044 |
0.64±0.93 |
0.62 |
- |
- |
- |
Semi-finalist |
0.020 |
-1.31±0.98 |
0.96 |
0.824 |
0.39±0.92 |
0.52 |
- |
- |
- |
Finalist |
0.004 |
-2.34±1.16 |
1.68 |
0.168 |
0.89±0.92 |
0.72 |
0.380 |
0.40±0.52 |
0.34 |
Br200 |
Top16 |
<0.001 |
-1.87±1.14 |
1.35 |
<0.001 |
0.75±0.63 |
0.54 |
- |
- |
- |
Semi-finalist |
0.035 |
-1.55±1.29 |
1.12 |
0.113 |
0.44±0.48 |
0.34 |
- |
- |
- |
Finalist |
0.002 |
-2.19±0.95 |
1.57 |
0.010 |
1.07±0.62 |
0.75 |
1.000 |
-0.16±0.50 |
0.23 |
Fly200 |
Top16 |
0.001 |
-1.55±1.34 |
1.20 |
0.005 |
0.70±0.74 |
0.58 |
- |
- |
- |
Semi-finalist |
0.037 |
-1.56±1.32 |
1.24 |
1.000 |
0.15±0.57 |
0.28 |
- |
- |
- |
Finalist |
0.127 |
-1.53±1.46 |
1.15 |
<0.001 |
1.26±0.35 |
0.88 |
- |
- |
- |
† , n=15‡, n=7Fr, 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.