Table VI.

Overall results on subgroups of less than 3 h of sleep vs. equal or more than 3 h of sleep (bold values for statistical significance, ns – not statistically significant)

Exercise	Less than 3 h of sleep N = 8 Mean ± standard deviation		Equal or more than 3 h of sleep N = 12 Mean ± standard deviation		Statistical significance
	Pre-shift	Post- shift	Pre-shift	Post- shift
Exercise 1 (Peg board – level 1)	82 ±21	75 ±20	83 ±22	80 ±23	Pre-shift vs. post-shift < 3 h p = 0.032 Pre-shift vs. post-shift < 3 h p = 0.046
Exercise 2 (Energy dissection –level 2)	72 ±18	63 ±15	73 ±17	68 ±20	Pre-shift vs. post-shift < 3 h p = 0.027 Pre-shift vs. post-shift < 3 h p = 0.033
Exercise 3 (Suture Sponge – level 3)	65 ±24	50 ±18	64 ±22	55 ±19	Pre-shift vs. post-shift < 3 h p = 0.029 Pre-shift vs. post-shift < 3 h p = 0.036