Table 1.
Comparison of Responder and Nonresponder Demographic Data
| Responders (n = 80) | All nonresponders (n = 116) | pa | Nonresponders excluding those on treatment (n = 93) | pa | |
|---|---|---|---|---|---|
| Off/on treatment, n (missing data) | 70/0 (10) | 90/23 (3) | <0.001b | 90/0 (3) | NA |
| Age at survey in years, mean (SD, range) | 22.1 (2.7, 17–27) | 21.3 (2.7, 16–27) | 0.06c | 21.5 (2.6, 16–27) | 0.21c |
| Age at diagnosis in years, mean (SD, range) | 18.9 (3.1, 12–24) | 18.2 (3.3, 9–24) | 0.12c | 18.0 (3.2, 12–24) | 0.06c |
| Months since diagnosis, median (IQR) | 31 (18–49) | 31 (14–58) | 0.85d | 37 (21–61) | 0.19d |
| Months since last treatment, median (IQR) | 18 (10–32) | 18 (5–46) | 0.50d | 27 (11–52) | 0.05d |
| Months treatment duration, median (IQR) | 8 (4–25) | NA | NA | 6 (4–9) | 0.006d |
| Gender, n, male (%) | 26 (33) | 62 (53) | 0.005b | 44 (47) | 0.06b |
| Diagnosis, n (%) | |||||
| Leukemia | 20 (25) | 20 (17) | 0.44b | 12 (13) | 0.11b |
| Lymphoma | 35 (44) | 53 (46) | 50 (54) | ||
| Osteosarcoma/Ewing's | 6 (8) | 9 (8) | 3 (3) | ||
| Brain neoplasm | 1 (1) | 8 (7) | 6 (6) | ||
| Other | 18 (23) | 26 (22) | 22 (24) | ||
a
p-values comparing preceding column of nonresponders with responders and significant p-values in bold.
b
Fisher's Exact Test.
c
Independent samples t-test.
d
Mann–Whitney U test.
IQR, interquartile range; SD, standard deviation.