Table 1 Descriptive data with mean ± standard deviation (SD). Section times were compared between pool lengths and race section using a mixed-design analysis of variance (ANOVA)
From: Swimming turn performance: the distinguishing factor in 1500 m world championship freestyle races?
Short-course World championships 25 m pool length – Hangzhou 2018 | Long-course World championships 50 m pool length – Gwangju 2019 | ANOVA | |||
|---|---|---|---|---|---|
Mean ± SD 95% CI lower bound–upper bound | Mean ± SD 95% CI lower bound–upper bound | F-value | p-value | ||
Total start section time [s] | 3.77 ± 0.16 3.66–3.88 | 3.77 ± 0.17 3.65–3.89 | a) | 18 | < 0.001 |
Total swim section time [s] | 558.12 ± 9.47 * 551.56–564.68 | 738.68 ± 9.47 * 732.35–745.01 | b) | 38859 | < 0.001 |
Total turn section time [s] | 303.14 ± 5.71 * 299.18–307.10 | 147.12 ± 5.71 * 143.58–150.66 | c) | 2569 | < 0.001 |
Mean start section time [s] | 3.77 ± 0.16 3.66–3.88 | 3.77 ± 0.17 3.65–3.89 | a) | 18976 | < 0.001 |
Mean swim section time [s] | 9.30 ± 0.16 * 9.19–9.41 | 24.62 ± 0.33 * 24.39–24.85 | b) | 46166 | < 0.001 |
Mean turn section time [s] | 5.14 ± 0.10 * 5.07–5.21 | 5.07 ± 0.18 * 4.95–5.19 | c) | 19079 | < 0.001 |