Table 2.
Injury Rates (IRs) by Time of Season and Event Type for Non–Time-Loss (NTL) and Time-Loss (TL) Injuries in Secondary School Girls' 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 | 93 (18.6) | 1.35 (1.07, 1.62) | 685 (36.1) | 9.92 (9.18, 10.66) | 778 (32.5) | 11.27 (10.48, 12.06) | 69 044 |
Regular season | 391 (78.4) | 1.84 (1.66, 2.02) | 1162 (61.3) | 5.46 (5.15, 5.77) | 1553 (64.9) | 7.30 (6.93, 7.66) | 212 810 |
Postseason | 15 (3.0) | 2.33 (1.15, 3.51) | 48 (2.5) | 7.46 (5.35, 9.57) | 63 (2.6) | 9.79 (7.37, 12.21) | 6433 |
Total | 499 (100) | 1.73 (1.58, 1.88) | 1895 (100) | 6.57 (6.28, 6.87) | 2394 (100) | 8.30 (7.97, 8.64) | 288 286 |
Event Type | |||||||
Practice | 258 (51.7) | 1.22 (1.07, 1.37) | 1225 (64.6) | 5.80 (5.47, 6.12) | 1483 (62.0) | 7.02 (6.66, 7.37) | 211 368 |
Competition | 241 (48.3) | 3.13 (2.74, 3.53) | 670 (35.4) | 8.71 (8.05, 9.37) | 911 (38.0) | 11.84 (11.07, 12.61) | 76 919 |
Total | 499 (100) | 1.73 (1.58, 1.88) | 1895 (100) | 6.57 (6.28, 6.87) | 2394 (100) | 8.30 (7.97, 8.64) | 288 286 |
Abbreviations: AE, athlete-exposure; CI, confidence interval.
The TL injuries resulted in participation-restriction time ≥24 h; NTL injuries resulted in participation-restriction time <24 h.