Table 3. Differences in average results of pre, post and last examination of sport performance in finswimming discipline in the EG and CG.
EG
(n = 12)		 CG
(n = 8)
Mdn
(IR)		 M
(SD)		 Z d Mdn
(IR)		 M
(SD)		 Z d
AP max pre [m] 35.00
(13.00)		 41.55
(13.20)		 28.50 (28.00) 40.63 (18.67)
AP max post [m] 50.00
(22.00)		 52.91
(16.32)		 2.931**
2.032*
2.203*		 1.691###
1.172###
1.273###		 45.00 (14.00) 44.00 (11.49) 2.031*
1.412
1.463		 1.431###
1.002###
1.033###
AP max last [m] 50.00
(16.00)		 51.00
(15.52)		 45.00 (22.00) 49.75 (13.59)
AP – apnoea finswimming; Mdn – median; IR – interquartile range; M – mean; SD – standard deviation; 1 difference between pre and post examination; 2 differences between post and last examination; 3 difference between pre and last examination; Z – Wilcoxon pair test; d – Cohen’s coefficient of effect size
* p < 0.05
** p<0.01
### large effect.