Table 2.
Age- and gender-adjusted proportionate injury ratios (PIR) and confidence intervals (95% CI) for soccer-related head injury (SRHI) cases compared to all head injury cases reported to eCHIRPP, overall and by gender, 2011–2017
| Characteristics | Males | Females | All | |||
|---|---|---|---|---|---|---|
| PIR | (95% CI) | PIR | (95% CI) |
PIR | (95% CI) |
|
| Gender | ||||||
| Male | NAa | NAa | 0.97 | (0.95, 0.99) | ||
| Female | NAb | NAb | 1.05 | (1.01, 1.09) | ||
| Nature of Injury | ||||||
| Brain Injury | ||||||
| Minor closed head injury | 1.29 | (1.22, 1.37) | 1.03 | (0.95, 1.12) | 1.20 | (1.15, 1.26) |
| Concussion | 1.25 | (1.18, 1.32) | 1.38 | (1.31, 1.45) | 1.32 | (1.27, 1.37) |
| Intracranial injury | 0.34 | (0.16, 0.71) | 0.00 | (NA)c | NAc | (NA)c |
| Head Injury | ||||||
| Eye Injury | 1.31 | (1.13, 1.53) | 0.91 | (0.71, 1.18) | 1.17 | (1.03, 1.34) |
| Fractures | ||||||
| Facial | 1.16 | (0.95, 1.43) | 1.13 | (0.84, 1.50) | 1.10 | (0.94, 1.30) |
| Skull | 0.67 | (0.34, 1.35) | 0.55 | (0.18, 1.71) | 0.63 | (0.35, 1.13) |
| Open Wound Head Injury | 0.59 | (0.54, 0.65) | 0.32 | (0.25, 0.41) | 0.52 | (0.48, 0.57) |
| Other Head Injuries | 0.71 | (0.63, 0.79) | 1.21 | (1.09, 1.34) | 0.70 | (0.64, 0.76) |
| Organized Sport | ||||||
| Yes | 2.00 | (1.93, 2.07) | 2.52 | (2.45, 2.59) | 2.20 | (2.15, 2.25) |
| No | 1.49 | (1.41, 1.58) | 0.64 | (0.55, 0.75) | 1.23 | (1.16, 1.30) |
| Not Applicable/Unknown/Blank | 0.30 | (0.28, 0.33) | 0.26 | (0.23, 0.29) | 0.29 | (0.27, 0.31) |
| Indoor/Outdoor | ||||||
| Indoor | 0.54 | (0.51, 0.58) | 0.65 | (0.61, 0.70) | 0.59 | (0.56, 0.62) |
| Outdoor | 1.45 | (1.42, 1.49) | 1.46 | (1.40, 1.51) | 1.45 | (1.41, 1.48) |
| Missing/Blank | 0.76 | (0.64, 0.89) | 0.66 | (0.52, 0.83) | 0.72 | (0.63, 0.82) |
| Treatment of Injury | ||||||
| Left without being seen by physician | 0.64 | (0.24, 1.69) | 1.11 | (0.42, 2.94) | 0.80 | (0.40, 1.59) |
| Admitted due for reason other than injury treatment | 1.51 | (0.38, 6.03) | 0.00 | (NA)d | NAd | (NA)d |
| Advice, diagnostic testing, referred to GP (no treatment in ED) | 1.18 | (1.12, 1.25) | 1.10 | (1.03, 1.18) | 1.16 | (1.11, 1.21) |
| Treated in ED, follow-up PRN | 0.93 | (0.89, 0.98) | 0.92 | (0.86, 0.98) | 0.93 | (0.89, 0.97) |
| Observation in ED, follow-up PRN | 1.20 | (1.06, 1.36) | 1.11 | (0.95, 1.30) | 1.17 | (1.06, 1.29) |
| Observation in ED, follow-up required | 1.03 | (0.80, 1.33) | 1.06 | (0.81, 1.40) | 1.05 | (0.88, 1.27) |
| Treated in ED, follow-up required, referred to other hospital or clinic | 0.85 | (0.77, 0.95) | 1.03 | (0.90, 1.18) | 0.90 | (0.83, 0.98) |
| Admitted to this or another hospital | 0.44 | (0.31, 0.63) | 0.36 | (0.21, 0.64) | 0.40 | (0.30, 0.55) |
Counts of all head injury reported to eCHIRPP: Male 78,035; Female 43,204; All 121,239.
Counts of soccer-related head injury reported to eCHIRPP: Male 2,475; Female 1,495; All 3,970.
ED Emergency department; GP General physician; NA Not applicable; PRN Pro re nata (as needed).
aPIR calculated in the Total column only as both males and females are included in the total and can be compared one relative to another.
bPIR calculated in the Total column only as both males and females are included in the total and can be compared one relative to another.
cThere were no female intracranial head injury cases.
dThere were no female cases which were admitted for reason other than injury treatment.