Table 4 The rate of TBI operation by age group

Isolated TBI

N = 28,015

N = 10,294

N = 11,753

N = 5968

p-value

Burr hole surgery in the ED, n(%)

628 (2.2%)

288 (2.8%)

242 (2.1%)

98 (1.6%)

< 0.001

Evacuation of hematoma, n(%)

4230 (15.1%)

1694 (16.5%)

1750 (14.9%)

786 (13.2%)

< 0.001

Decompressive craniectomy, n(%)

909 (3.2%)

465 (4.5%)

348 (3.0%)

96 (1.6%)

< 0.001

Total

65–74

75–84

85–

Multiple trauma

N = 9978

N = 4311

N = 4077

N = 1590

p-value

Burr hole surgery in the ED, n(%)

286 (2.9%)

133 (3.1%)

126 (3.1%)

27 (1.7%)

0.01

Evacuation of hematoma, n(%)

855 (8.6%)

429 (10.0%)

348 (8.5%)

78 (4.9%)

< 0.001

Decompressive craniectomy, n(%)

297 (3.0%)

170 (3.9%)

116 (2.8%)

11 (0.7%)

< 0.001