Table 3.

 Univariate analysis by risk parameter

Parameter (n)	LR	OS
	P‐values	P‐values
Age
≤60 years (24)	0.027	0.293
>60 years (26)
RS
≥3 (38)	0.011	0.087
0–2 (12)
SMF
2–3 (27)	0.004	0.008
0–1 (23)
Margin status
Positive (17)	0.027	0.264
‘Clean’ (32)†

†One patient denied surgery at the primary site. LR, local recurrence; OS, overall survival; RS, risk score; SMF, stromal myofibroblasts.