Table 5.

Characteristics of injuries incurred during matches, Dirt field (DF), Artificial turf field (ATF)

	DF	ATF
Type of injury	Injuries Incidence n/1000 h of exposure (95% CI)	Injuries Incidence n/1000 h of exposure (95% CI)	Rate ratio (95% CI)	P value (Tow sided)
Fractures and bone stress	2.63[0.85-6.15]	1.45[0.17-5.24]	1.81[0.29-19.07]	0.5
Joint (non-bone) and ligament	8.96[5.22-14.34]	6.53[2.98-12.39]	1.37[0.57-3.49]	0.45
Muscle and tendon	2.63[0.85-6.15]	2.90[0.79-7.43]	0.90[0.19-4.57]	0.88
Contusions	5.79[2.89-10.37]	5.07[2.04-10.46]	1.14[0.40-3.47]	0.79
Laceration and skin lesion	16.34[11.10-23.19]	3.62[1.17-8.46]	4.5[1.73-14.83]	0.0003
Other injuries	0.52[0.01-2.93]	0[0-2.67] *	------
Total	36.9(28.7-46.6)	19.5(12.9-28.5)	1.88 (1.19-3.05)

(*)one-sided