Table 3.

Occupants with Only Brain Injury. Number of Occupants with MHAIS≥2 and MHAIS≥3 Head Injuries. NASS Data Years 1991–1998.

		Unrestrained		Airbag Only		Belt Only		Airbag and Belt
ΔV (kph)	Data Type	MHAIS≥2	MHAIS≥3	MHAIS≥2	MHAIS≥3	MHAIS≥2	MHAIS≥3	MHAIS≥2	MHAIS≥3
0–15	weighted	3179	367	101	0	15958	674	13215	0
0–15	raw	26	3	2	0	24	3	5	0
16–25	weighted	24089	7306	338	48	27770	5187	7175	19
16–25	raw	116	26	8	1	150	22	27	1
26–35	weighted	21385	5065	693	63	24003	2085	3100	534
26–35	raw	237	58	14	2	184	37	31	8
36–45	weighted	23678	3433	591	85	11883	2321	1046	278
36–45	raw	168	42	9	4	125	45	24	9
46+	weighted	13668	6126	464	154	12381	3443	2383	594
46+	raw	198	95	11	4	156	61	32	10