Injuries in Swedish floorball players: A nationwide matched cohort study

Figures & data

Table 1. Age and sex distribution of the study cohort

Group		Age (years)
		6‒9	10‒12	13‒15	16‒19	≥20
Male	Players (n)	31,381	26,107	19,351	12,137	19,889
	Controls (n)	100,376	90,168	81,788	60,111	99,390
Female	Players (n)	9100	10,331	8630	6001	5445
	Controls (n)	39,352	45,937	40,532	29,831	27,193
Total	Players (n)	40,481	36,438	27,981	18,138	25,334
	Controls (n)	139,728	136,105	122,320	89,942	126,583

Table 2. Incidence of and odds ratios for injuries in floorball players compared with controls

			Male					Female
Injury type			6‒9 years	10‒12 years	13‒15 years	16‒19 years	≥20 years	6‒9 years	10‒12 years	13‒15 years	16‒19 years	≥20 years
Eye injury	Incidence	Players	60 (0.19%)	65 (0.25%)	61 (0.32%)	44 (0.36%)	84 (0.42%)	9 (0.10%)	14 (0.14%)	13 (0.15%)	12 (0.20%)	24 (0.44%)
		Controls	211 (0.21%)	163 (0.18%)	116 (0.14%)	100 (0.17%)	173 (0.17%)	37 (0.09%)	37 (0.08%)	35 (0.09%)	15 (0.05%)	20 (0.07%)
	OR (95% CI)		0.93 (0.70‒1.26)	1.37 (1.02‒1.84)	2.26 (1.66‒3.09)	2.18 (1.53‒3.11)	2.45 (1.88‒3.18)	1.16 (0.56‒2.41)	1.75 (0.94‒3.24)	1.81 (0.96‒3.42)	3.87 (1.81‒8.29)	6.20 (3.39‒11.32)
Face fracture or dislocation	Incidence	Players	17 (0.05%)	23 (0.09%)	26 (0.13%)	52 (0.43%)	60 (0.30%)	4 (0.04%)	3 (0.03%)	8 (0.09%)	15 (0.25%)	5 (0.09%)
		Controls	61 (0.06%)	84 (0.09%)	136 (0.17%)	168 (0.28%)	200 (0.20%)	11 (0.03%)	32 (0.07%)	38 (0.09%)	15 (0.05%)	10 (0.04%)
	OR (95% CI)		0.94 (0.54‒1.63)	0.95 (0.60‒1.52)	0.88 (0.58‒1.34)	1.53 (1.12‒2.09)	1.50 (1.13‒2.01)	1.11 (0.33‒3.68)	0.42 (0.13‒1.38)	1.04 (0.48‒2.23)	4.96 (2.43‒10.15)	2.5 (0.85‒7.31)
Dental injury	Incidence	Players					1,177 (5.92%)					305 (5.60%)
		Controls					5,170 (5.20%)					1,387 (5.10%)
	OR (95% CI)						1.15 (1.08‒1.23)					1.11 (0.97‒1.26)
Upper extremity fracture	Incidence	Players	642 (2.05%)	773 (2.96%)	696 (3.60%)	212 (1.75%)	220 (1.11%)	174 (1.91%)	268 (2.59%)	117 (1.36%)	52 (0.87%)	38 (0.70%)
		Controls	1,770 (1.76%)	2,500 (2.77%)	2,519 (3.08%)	984 (1.64%)	976 (0.98%)	665 (1.69%)	1,017 (2.21%)	402 (0.99%)	173 (0.58%)	117 (0.43%)
	OR (95% CI)		1.15 (1.04‒1.26)	1.06 (0.97‒1.15)	1.16 (1.06‒1.27)	1.07 (0.92‒1.24)	1.13 (0.97‒1.31)	1.14 (0.96‒1.35)	1.18 (1.03‒1.36)	1.36 (1.10‒1.67)	1.50 (1.10‒2.04)	1.63 (1.13‒2.35)
Knee sprain	Incidence	Players	42 (0.13%)	99 (0.38%)	127 (0.66%)	176 (1.45%)	298 (1.50%)	13 (0.14%)	40 (0.39%)	133 (1.54%)	142 (2.37%)	116 (2.13%)
		Controls	85 (0.08%)	215 (0.24%)	454 (0.56%)	458 (0.76%)	526 (0.53%)	32 (0.08%)	138 (0.30%)	261 (0.64%)	152 (0.51%)	82 (0.30%)
	OR (95% CI)		1.64 (1.12‒2.39)	1.62 (1.27‒2.07)	1.20 (0.98‒1.47)	1.93 (1.62‒2.30)	2.86 (2.48‒3.30)	1.81 (0.95‒3.47)	1.32 (0.93‒1.89)	2.47 (2.00‒3.06)	4.75 (3.77‒5.98)	7.32 (5.49‒9.75)
Cruciate ligament injury	Incidence	Players	5 (0.02%)	13 (0.05%)	28 (0.14%)	52 (0.43%)	99 (0.50%)	2 (0.02%)	1 (0.01%)	39 (0.45%)	67 (1.12%)	45 (0.83%)
		Controls	4 (0.0004%)	14 (0.02%)	63 (0.08%)	133 (0.22%)	160 (0.16%)	2 (0.01%)	15 (0.03%)	54 (0.13%)	41 (0.14%)	32 (0.12%)
	OR (95% CI)		4.17 (1.07‒16.22)	3.23 (1.49‒7.00)	1.80 (1.15‒2.83)	1.96 (1.42‒2.71)	3.09 (2.41‒3.97)	3.78 (0.51‒27.73)	0.31 (0.04‒2.34)	3.54 (2.34‒5.38)	8.17 (5.54‒12.05)	7.51 (4.70‒12.00)
Ankle/foot ligament injury	Incidence	Players	108 (0.34%)	136 (0.52%)	131 (0.68%)	158 (1.30%)	191 (0.96%)	34 (0.37%)	74 (0.72%)	96 (1.11%)	73 (1.22%)	55 (1.01%)
		Controls	341 (0.34%)	383 (0.42%)	486 (0.59%)	372 (0.62%)	437 (0.44%)	117 (0.30 %)	241 (0.52%)	243 (0.60%)	154 (0.52%)	90 (0.33%)
	OR (95% CI)		1.02 (0.82‒1.28)	1.25 (1.02‒1.53)	1.18 (0.97‒1.44)	2.13 (1.76‒2.57)	2.19 (1.85‒2.60)	1.30 (0.89‒1.91)	1.40 (1.08‒1.82)	1.90 (1.50‒2.42)	2.37 (1.79‒3.13)	3.09 (2.21‒4.35)
Foot/lower leg fracture	Incidence	Players	108 (0.34%)	187 (0.72%)	170 (0.88%)	77 (0.63%)	99 (0.50%)	29 (0.32%)	74 (0.72%)	36 (0.42%)	17 (0.28%)	19 (0.35%)
		Controls	408 (0.41%)	640 (0.71%)	739 (0.90%)	335 (0.56%)	422 (0.42%)	135 (0.34%)	246 (0.54%)	177 (0.44%)	104 (0.35%)	91 (0.33%)
	OR (95% CI)		0.82 (0.66‒1.02)	0.97 (0.82‒1.15)	0.97 (0.82‒1.15)	1.14 (0.89‒1.47)	1.17 (0.94‒1.46)	0.91 (0.61‒1.37)	1.36 (1.05‒1.77)	0.97 (0.68‒1.40)	0.81 (0.49‒1.36)	1.04 (0.64‒1.72)

Bold values are statistically significant. OR, odds ratio; CI, confidence interval