Table 2.

Multiple logistic regression

	Overall	ISS 50–75
Year	0.980 (0.969–0.992)	0.955 (0.916–1.001)
Age ≥ 55	2.44 (2.12–2.81)	1.15 (0.64–2.07)
Male	0.96 (0.83–1.12)	0.62 (0.34–1.14)
Penetrating	1.47 (1.01–2.13)	5.43 (0.63–46.99)
Transfer	0.63 (0.54–0.74)	0.57 (0.31–1.03)
Constant	0.11 (0.01–0.14)	2.53 (1.20–5.31)