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. 2023 Jul 6;89:171–185. doi: 10.5114/jhk/167053

Table 3.

Comparison of mean and median rally length between women and men (reference group).

Women Men Difference
M (SD) Mdn [IQI] M (SD) Mdn [IQI] M (p, r) Mdn [95% CI]
Rally length (s) with pseudo-rallies
Main event: ball in/out (n = 725 vs. 893) 7.25 (6.20) 4.97 [3.87, 9.57] 5.59 (4.67) 4.28 [3.12, 7.52] 1.66 (< 0.001, 0.16) 0.69 [0.42, 0.95]
Competitive event: fault (n = 37 vs. 59) 11.50 (9.00) 8.83 [5.37, 13.67] 8.25 (6.95) 5.03 [3.88, 10.08] 3.25 (0.049, 0.20) 3.80 [0.69, 6.91]
Pooled events: ball in/out + fault (n = 762 vs. 952) 7.45 (6.42) 5.03 [3.87, 9.83] 5.75 (4.88) 4.32 [3.20, 7.76] 1.70 (< 0.001, 0.16) 0.71 [0.43, 1.00]
Rally length (s) without pseudo-rallies
Main event: ball in/out (n = 614 vs. 714) 8.38 (6.07) 5.63 [4.33, 10.83] 6.79 (4.47) 4.76 [3.92, 8.44] 1.59 (< 0.001, 0.17) 0.87 [0.22, 1.52]
Competitive event: fault (n = 37 vs. 59) 11.50 (9.00) 8.83 [5.37, 13.67] 8.25 (6.95) 5.03 [3.88, 10.08] 3.25 (0.049, 0.20) 3.80 [0.69, 6.91]
Pooled events: ball in/out + fault (n = 651 vs. 773) 8.56 (6.31) 5.97 [4.33, 11.20] 6.90 (4.72) 4.76 [3.92, 8.48] 1.66 (< 0.001, 0.17) 1.21 [0.42, 2.00]

s = seconds; n = number of rallies (women vs. men); M = mean; SD = standard deviation; Mdn = median; IQI = interquartile interval; p = p-value of the Mann-Whitney U test; r = effect size measure r; CI = confidence interval of the difference between two medians obtained from bootstrapped quantile regression