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Table 3 Correlation analysis between sleep index variables and race scores in the competition

From: Relationship between sleep quality, mood state, and performance of elite air-rifle shooters

Sleep index variables (Mean ± SD) Score (number of rings) (Mean ± SD) r P
PSQI score 6.23 ± 1.18 623.1 ± 3.45 0.308 0.555
Sleep quality 0.86 ± 0.67 0.316 0.562
Sleep time 0.28 ± 0.45 0.398 0.631
Total sleep time 7.3 ± 0.9 0.404 0.291
Sleep efficiency 87.2 ± 5.4 0.248 0.538
Sleep disorders 0.89 ± 0.58 0.320 0.319
Daytime function 1.51 ± 0.83 0.366 0.555