Table 3.

Occupants restrained by three-point belts (no airbag) with AIS 2+ and AIS 3+ thoracic and/or lumbar spine injuries.

Delta-V (kph)	Number of 3-point belted Occupants in Frontal Collisions	Weighted Number of 3-point belted Occupants in Frontal Collisions	Three-Point Belted Occupants with Lumbar and/or Thoracic Injuries
			Number Occupants with AIS 2+	Weighted Number Occupants with AIS 2+	Weighted Percent of Occupants with AIS 2+	Number Occupants with AIS 3+	Weighted Number Occupants with AIS 3+	Weighted Percent of Occupants with AIS 3+
0–20	3778	2,865,921	6	3485	0.12%	1	0	0%
20–30	2986	1,476,383	20	1748	0.12%	4	323	0.02%
30–40	1382	379,602	12	932	0.25%	2	106	0.03%
40–50	617	101,675	11	549	0.54%	2	101	0.10%
50–60	273	40,857	11	813	1.99%	2	59	0.15%
>60	226	14,469	22	1488	10.28%	2	89	0.62%