Table 4.

Freedom from recurrence rates by socioeconomic status and comorbidities.

Index Score	2-Year Freedom from Recurrence	4-Year Freedom from Recurrence	6-Year Freedom from Recurrence
Area Deprivation Index Score, n (%)
≤50 (n = 9163 at baseline)
n, recurrence events	3783, 25	1346, 29	211, 29
% freedom from recurrence	99.37	98.00	87.26
>50 (n = 8761 at baseline)
n, recurrence events	3377, 15	1132, 19	140, 19
% freedom from recurrence	99.56	98.33	86.43
Charlson Comorbidity Index (CCI) Score
CCI 0 (n = 367 at baseline)
n, recurrence events	158, 1	59, 1	9, 1
% freedom from recurrence	99.67	99.67	99.67
CCI 1 (n = 1128 at baseline)
n, recurrence events	442, 3	172, 3	18, 3
% freedom from recurrence	99.63	99.63	99.63
CCI 2 (n = 3591 at baseline)
n, recurrence events	1570, 7	570, 8	90, 8
% freedom from recurrence	99.74	99.68	99.68
CCI 3 (n = 5776 at baseline)
n, recurrence events	2405, 16	895, 19	133, 19
% freedom from recurrence	99.60	99.43	99.43
CCI 4 (n = 5764 at baseline)
n, recurrence events	2177, 11	717, 15	100, 15
% freedom from recurrence	99.74	99.47	99.47
CCI 5 (n = 2048 at baseline)
n, recurrence events	806, 5	278, 5	34, 5
% freedom from recurrence	99.60	99.60	99.60
CCI 6 (n = 927 at baseline)
n, recurrence events	341, 1	106, 1	10, 1
% freedom from recurrence	99.88	99.88	99.88
CCI ≥7 (n = 387 at baseline)
n, recurrence events	145, 2	38, 2	1, 2
% freedom from recurrence	99.27	99.27	99.27