Table 4 Patient characteristics by age subgroup
Age < 50 (N = 173) (%) | Age ≥ 50 (N = 262) (%) | P-value | |
|---|---|---|---|
Demographics | |||
Sex | 0.84 | ||
Male | 93 (53.8) | 144 (55.0) | |
Female | 80 (46.2) | 118 (45.0) | |
Median age at diagnosis, years | 37 | 61 | |
Insurance status | 0.054 | ||
Private | 71 (41.0) | 94 (35.9) | |
Private + Medicare/Medicaid | 9 (5.2) | 11 (4.2) | |
Medicare | 2 (1.2) | 10 (3.8) | |
Medicaid | 14 (8.1) | 9 (3.4) | |
Unknown | 77 (44.5) | 138 (52.7) | |
Marital status | 0.010 | ||
Married/significant other | 103 (59.5) | 189 (72.1) | |
Single/separated/divorced | 68 (39.3) | 72 (27.5) | |
Unknown | 2 (1.2) | 1 (0.4) | |
Employment status | < 0.001 | ||
Full time/part time/student | 88 (50.9) | 72 (27.5) | |
Unemployed/retired | 53 (30.6) | 134 (51.1) | |
Unknown | 32 (18.5) | 56 (21.4) | |
Location | 0.33 | ||
Metropolitan area (> 1 M) | 112 (64.7) | 147 (56.1) | |
Metropolitan area (250 K-1 M) | 21 (12.1) | 42 (16.0) | |
Metropolitan area (< 250 K) | 17 (9.8) | 34 (13.0) | |
Non-metropolitan area | 23 (13.3) | 39 (14.9) | |
Average income, $ | 63,217 | 62,575 | 0.54 |
Education quartile | 0.86 | ||
Q1 | 18 (10.6) | 22 (8.5) | |
Q2 | 42 (24.7) | 60 (23.3) | |
Q3 | 44 (25.9) | 70 (27.1) | |
Q4 | 66 (38.8) | 106 (41.1) | |
Mean distance by zip code, miles | 42 | 43 | 0.61 |
Area deprivation index (ADI) decile | 6 | 5 | 0.83 |
Tumor Characteristics | |||
Grade | 0.22 | ||
1 | 22 (12.7) | 39 (14.9) | |
2 | 48 (27.7) | 64 (24.4) | |
3 | 56 (32.4) | 105 (40.1) | |
Unknown | 47 (27.2) | 54 (20.6) | |
Maximum extent on imaging | 0.57 | ||
≤ 5 cm | 19 (11.0) | 38 (14.5) | |
> 5 cm | 79 (45.7) | 115 (43.9) | |
Unknown | 75 (43.4) | 109 (41.6) | |
Clinical N stage | 0.52 | ||
N0 | 164 (94.8) | 246 (93.9) | |
N1 | 5 (2.9) | 5 (1.9) | |
Unknown | 4 (2.3) | 11 (4.2) | |
Initial Treatment | |||
Group | 0.066 | ||
Resection only | 5 (2.9) | 18 (6.9) | |
RT or chemo only | 5 (2.9) | 4 (1.5) | |
Resection with neoadjuvant RT or chemo | 27 (15.6) | 57 (21.8) | |
Resection with adjuvant RT or chemo | 136 (78.6) | 183 (69.8) | |
Time to first treatment from diagnosis, days | 30 | 36 | 0.003 |