Table 2

Frequency and characteristics of injury events according to the retrospective and prospective methods; results are number (%)

VariableRetrospective studyProspective studyRatio between retrospective and prospective results
Percentages may exceed 100% since some injury events were due to more than one mechanism or lead to more than one type of injury.
*Using as the denominator the number of children studied; χ2 = 98.36, p<0.001.
†Using as the denominator the total number of injury events reported.
**p<0.001; ***p=0.01.
Number of injuries*
    None491 (79.2)320 (51.6)
    1115 (18.5)141 (22.7)
    213 (2.1)85 (13.7)
    ≥31 (0.2)74 (12.0)
Total number of children620 (100.0)620 (100.0)
Injury mechanism†
    Falls102 (70.3)253 (84.3)**0.40
    Collision with object19 (13.0)66 (22.0)0.29
    Cutting objects9 (6.2)67 (22.3)0.13
    Burns4 (2.8)17 (5.6)0.24
    Animal bites3 (2.1)17 (5.6)0.18
    Other16 (11.0)61 (20.3)0.26
Total number of injuries145715
Type of injury†
    Bruises/abrasions67(46.2)206 (68.7)**0.33
    Cuts28(19.3)67 (22.3)**0.42
    Haematomas/concussions29 (20.0)87 (29.0)***0.33
    Burns4 (2.1)17 (5.6)0.24
    Others11 (7.6)41 (13.6)0.27
Total number of injuries145715