Table 4
Proportion of discharges with “moderate-to-severe” injuries (NISS >4) before and after enforcement
Age (years)
No (%) 1983–88
No (%) 1991–95
p Value
0–4
37 (43.0)
16 (25.8)
0.03
5–11
43 (46.2)
28 (40.6)
NS
12–19
117 (50.0)
91 (49.5)
NS
All <20
197 (47.7)
135 (47.9)
NS