Table 1.
Injury Rates (IRs) by Time of Season and Event Type for Non–Time-Loss (NTL) and Time-Loss (TL) Injuries in Secondary School Boys' Basketballa
| Outcome Variable |
TL Injuries |
NTL Injuries |
Overall Injuries |
AEs |
|||
| n (%) |
IR (95% CI)/1000 AEs |
n (%) |
IR (95% CI)/1000 AEs |
n (%) |
IR (95% CI)/1000 AEs |
||
| Time of season | |||||||
| Preseason | 105 (18.8) | 1.45 (1.18, 1.73) | 596 (28.5) | 8.25 (7.59, 8.91) | 701 (26.4) | 9.70 (8.98, 10.42) | 72 264 |
| Regular season | 443 (79.2) | 1.58 (1.43, 1.72) | 1415 (67.6) | 5.03 (4.77, 5.30) | 1858 (70.0) | 6.61 (6.31, 6.91) | 281 035 |
| Postseason | 11 (2.0) | 0.99 (0.41, 1.58) | 83 (4.0) | 7.51 (5.89, 9.12) | 94 (3.5) | 8.50 (6.78, 10.22) | 11 057 |
| Total | 559 (100) | 1.53 (1.40, 1.66) | 2094 (100) | 5.75 (5.50, 5.99) | 2653 (100) | 7.28 (7.00, 7.56) | 364 355 |
| Event type | |||||||
| Practice | 342 (61.2) | 1.25 (1.12, 1.39) | 1452 (69.3) | 5.32 (5.05, 5.59) | 1794 (67.6) | 6.57 (6.27, 6.88) | 272 998 |
| Competition | 217 (38.8) | 2.38 (2.06, 2.69) | 642 (30.7) | 7.03 (6.48, 7.57) | 859 (32.4) | 9.40 (8.77, 10.03) | 91 357 |
| Total | 559 (100) | 1.53 (1.41, 1.66) | 2094 (100) | 5.75 (5.50, 5.99) | 2653 (100) | 7.28 (7.00, 7.56) | 364 355 |
Abbreviations: AE, athlete-exposure; CI, confidence interval.
a
The TL injuries resulted in participation-restriction time ≥24 h; NTL injuries resulted in participation-restriction time <24 h.