Table 2.

Survival of 1999–2002 compared to 1995–1998 stratified by age groups.

Age group	Group size	OS		CSS
		p-value by log-rank test	Hazard ratio 99-02 versus 95–98 (95% CI)	p-value by log-rank test	Hazard ratio 99-02 versus 95–98 (95% CI)	Proportion of non- CSDa (%)
<41	732	<0.01	0.68 (0.55, 0.83)	<0.01	0.67 (0.54, 0.83)	7.2
41–55	1413	0.01	0.83 (0.72, 0.96)	0.02	0.83 (0.71, 0.97)	10.8
>55	1372	0.01	0.85 (0.75, 0.97)	<0.01	0.81 (0.70, 0.94)	27.4

^a“Non-CSD” is short for “Non-Cause Specific Death”. The “Non-CSD” patients were treated as censored in the cause specific survival (CSS) analysis.

Red color used to highlight statistically significant p-values.