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Table 2 Incidence and severity of injuries and illnesses categorized according return to play (PE or sports) per group over a 12-month period

From: Sports participation related to injuries and illnesses among ambulatory youth with chronic diseases: results of the health in adapted youth sports study

Sports participation per weekGroup 0
(Non-sports)
Group 1
(Sports 1x/wk)
Group 2
(Sports ≥2x/wk)
Total (%)
Number of participants182164103
INJURIES
 Number of participants with an injury (%)5 (28)7 (33)35 (55)47 (46)
 Total number of injuries registered (%)9 (10)17 (20)60 (70)86
Severity of injuries with restriction for return to schoola (N = 53)
 No time loss (NTL) (%)3 (33)6 (35)33 (55)42 (49)
 Minor (1–7 days) (%)1 (11)2 (12)6 (10)9 (10)
 Moderate (8–21 days) (%)001 (2)1 (1)
 Severe (> 21 days) (%)001 (2)1 (1)
Severity of illnesses for return to PE / Sportsa (N = 53)
 No time loss (NTL) (%)8 (89)10 (59)24 (40)42 (49)
 Minor (1–7 days) (%)03 (18)15 (25)18 (21)
 Moderate (8–21 days) (%)01 (6)13 (22)14 (16)
 Severe (> 21 days) (%)1 (11)3 (17)8 (13)12 (14)
ILLNESSES
 Number of participants with illnesses (%)9 (50)9 (43)25 (39)43 (42)
 Total number of illnesses registered (%)20; range 1–7 (22)17; range 1–3 (19)53 range; 1–6 (59)90
Severity of illnesses with restriction for return to schoola (N = 90)
 No time loss (NTL) (%)5 (25)2 (12)10 (19)17 (20)
 Minor (1–7 days) (%)12 (60)12 (71)31 (59)55 (64)
 Moderate (8–21 days) (%)1 (5)3 (18)6 (11)10 (12)
 Severe (> 21 days) (%)2 (10)06 (11)8 (9)
Severity of illnesses for return to PE / Sportsa (N = 90)
 No time loss (NTL) (%)15 (75)10 (59)9 (17)34 (40)
 Minor (1–7 days) (%)2 (10)4 (23)30 (57)36 (42)
 Moderate (8–21 days) (%)2 (10)3 (18)7 (13)12 (14)
 Severe (> 21 days) (%)1 (5)07 (13)8 (8)
  1. Group 0 = non-sports group, group 1 = once a week of sports participation, group 2 = at least two times per week of sports participation. NTL; no time loss, i.c. injuries resulted in a participation restriction on the same day of injury complaint but no subsequent restriction, TL (minor, moderate and severe); injuries or illness resulted in restriction of participation of at least 1 day subsequent of the date of injury or illness complaint. aSeverity of injury or illness; for group 0 it is operationalized as return to physical education, for group 1 and group 2 return to sports