Table 6. Baseline characteristics of widowed and married AML patients, before and after propensity matching.
| Variable | Unmatched (complete) dataset | χ2 | P | Matched (1:1) dataset | χ2 | P | ||
|---|---|---|---|---|---|---|---|---|
| widowed (n=8515) | married (n=30006) | widowed (n=8495) | married (n=8495) | |||||
| Age (years) 16-55 > 55 |
163(1.9%) 8352(98.1%) |
7711(25.7%) 22295(74.3%) |
2307.140 | <0.001 | 163(1.9%) 8332(98.1%) |
163(1.9%) 8332(98.1%) |
0.000 | 1.000 |
| Race Non white White |
1192(14.0%) 7323(86.0%) |
4260(14.2%) 25746(85.8%) |
0.215 | 0.643 | 1172(13.8%) 7323(86.2%) |
1068(12.6%) 7427(87.4%) |
5.562 | 0.018 |
| Sex Male Female |
2248(26.3%) 6267(73.7%) |
18990(63.3%) 11016(36.7%) |
3648.390 | <0.001 | 2248(36.0%) 6247(64.0%) |
2248(36.0%) 6247(64.0%) |
0.000 | 1.000 |
| AML subtype AML, NOS other |
5702(67.0%) 2813(33.0%) |
17442(58.1%) 12564(41.9%) |
215.910 | <0.001 | 5682(66.9%) 2813(33.1%) |
5714(67.3%) 2781(32.7%) |
0.273 | 0.601 |
| Adjuvant therapy None radiation Beam radiation or radioisotopes |
8390(98.5%) 125(1.5%) |
28671(95.6%) 1335(4.4%) |
161.651 | <0.001 | 8370(98.5%) 125(1.5%) |
8372(98.6%) 123(1.4%) |
0.016 | 0.898 |
Abbreviation: AML, acute myeloid leukemia; NOS, no other specific.