Table 1.
Patient demographics and baseline characteristics across different treatment groups
| Before propensity weighting, No. (%) | After propensity weighting*, % | |||||
|---|---|---|---|---|---|---|
| Active Surveillance (n = 387) |
EBRT without ADT (n = 189) |
SBRT (n = 104) |
Active Surveillance |
EBRT without ADT |
SBRT | |
| Age at diagnosis, mean (SD) | 66 (7.5) | 66 (6.9) | 65 (6.8) | 66 (7.5) | 67 (7.2) | 65 (7.8) |
| Race White Black/Other |
286 (74) 101 (26) |
124 (66) 65 (34) |
100 (96) 4 (4) |
74 26 |
75 25 |
72 28 |
| Health Insurance Medicare Private Medicaid/None |
187 (48) 123 (32) 77 (20) |
98 (52) 51 (27) 40 (21) |
52 (50) 45 (43) 7 (7) |
48 32 20 |
48 32 20 |
44 39 16 |
| Education ≤High school Some college College graduate |
126 (33) 103 (27) 158 (41) |
70 (37) 53 (28) 66 (35) |
9 (9) 30 (29) 65 (63) |
33 27 41 |
32 28 40 |
29 24 46 |
| Household income, $/year <40,000 40,000–70,000 70,001–90,000 >90,000 |
164 (42) 97 (25) 49 (13) 77 (20) |
92 (49) 47 (25) 19 (10) 31 (16) |
19 (18) 22 (21) 18 (17) 45 (43) |
42 25 13 20 |
41 27 13 20 |
51 16 13 21 |
| Marital status Married Not married |
313 (81) 74 (19) |
136 (72) 53 (28) |
85 (82) 19 (18) |
81 19 |
80 20 |
87 13 |
| Baseline QOL Scores | ||||||
| SF-12, mean (SD) Physical Mental |
47.7 (11.3) 54.6 (8.4) |
47.6 (11.4) 53.6 (9.3) |
52.1 (8.4) 53.2 (7.6) |
47.7 (11.3) 54.6 (8.4) |
47.8 (11.6) 54.8 (8.4) |
49.9 (11.8) 55.1 (6.2) |
| PCSI, mean (SD) Sexual dysfunction Urinary obstruction/irritation Urinary incontinence Bowel problems |
44.7 (38.0) 23.4 (14.0) 11.1 (20.7) 6.1 (8.3) |
49.9 (39.1) 22.6 (14.7) 12.5 (22.3) 6.9 (10.2) |
42.0 (38.0) 22.9 (13.2) 8.3 (16.3) 5.5 (6.9) |
44.7 (38.0) 23.4 (14.0) 11.1 (20.7) 6.1 (8.3) |
43.6 (39.2) 22.9 (15.2) 10.7 (21.1) 5.8 (8.6) |
52.0 (39.5) 20.9 (12.9) 12.0 (18.2) 4.4 (6.7) |
*
Sample sizes after propensity weighting are not provided because they often involve decimal points (non-whole numbers).
Abbreviations: EBRT, external beam radiation treatment; ADT, androgen deprivation therapy; SBRT, stereotactic body radiotherapy; QOL, quality of life; PCSI, Prostate Cancer Symptom Indices.