Table 1.

Findings in 198 infiltrating breast cancer cases by categorized variables

Scoring	Subgroups	Number of cases (% of valid cases) in subgroup
Type (n* = 193)	Ductal	168 (87 %)
	Lobular	25 (13 %)
Age groups (n* = 198)	<50 years	106 (54 %)
	≥50 years	92 (46 %)
Nodal status at diagnosis (n* = 197)	Node negative	147 (75 %)
	Nodal spread	50 (25 %)
ER-status (n* = 185)	Negative	40 (22 %)
	Positive	145 (78 %)
Grade (n* = 192)	Low	38 (20 %)
	Intermediate	83 (43 %)
	High	71 (37 %)
Censored (n* = 198)	Alive	179 (90 %)
	Dead	19 (10 %)
Centre (n* = 198)	Norway	69 (35 %)
	Manchester	129 (65 %)

n* number of cases with valid information in selected group