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. 2013 Dec 1;12(4):730–737.

Table 1.

Descriptive data of the participants in the male’s 200 m backstroke event during 2007 Spanish Swimming Championships. Data are means (±SD).

  National level group Regional level group
End race times (s) 125.1 (2.6) 137.5 (1.9)
IPS 718.2 (47.2) 539.4 (21.3)
Age (years) 20.9 (3.3) 17.9 (2.4)

IPS: Fédération Internationale de Natation Point Scoring System