Table 4. Baseline characteristics of unmarried and married AML patients, before and after propensity matching.
| Variable | Unmatched (complete) dataset | χ2 | P | Matched (1:1) dataset | χ2 | P | ||
|---|---|---|---|---|---|---|---|---|
| Unmarried (n=20819) | married (n=30006) | Unmarried (n=18346) | married (n=18345) | |||||
| Age (years) 16-55 > 55 |
6228(29.9%) 14591(70.1%) |
7711(25.7%) 22295(74.3%) |
109.803 | <0.001 | 5787(31.5%) 12559(68.5%) |
5815(31.7%) 12530(86.3%) |
0.101 | 0.751 |
| Race Black White Other Unknown |
2456(11.8%) 16864(81.0%) 1446(6.9%) 53(0.3%) |
1646(5.5%) 25746(85.8%) 2567(8.6%) 47(0.1%) |
686.708 | <0.001 | 1464(8.0%) 15440(84.2%) 1411(7.7%) 31(0.1%) |
1431(7.8%) 15442(84.2%) 1442(7.9%) 30(0.1%) |
0.729 | 0.866 |
| Sex Male Female |
8520(40.9%) 12299(59.1%) |
18990(63.3%) 11016(36.7%) |
2475.636 | <0.001 | 8380(45.7%) 9966(54.3%) |
8379(45.7%) 9966(54.3%) |
0.000 | 1.000 |
| AML subtype AML, NOS other |
12563(60.3%) 8256(39.7%) |
17442(58.1%) 12564(41.9%) |
24.948 | <0.001 | 10705(58.4%) 7641(41.6%) |
10675(58.2%) 7670(41.8%) |
0.097 | 0.755 |
| Adjuvant therapy None Beam radiation or radioisotopes Unknown |
20012(96.1%) 695(3.3%) 112(0.6%) |
28671(95.6%) 1201(4.0%) 134(0.4%) |
17..079 | <0.001 | 17603(96.0%) 662(3.6%) 81(0.4%) |
17572(95.8%) 693(3.8%) 80(0.4%) |
0.743 | 0.690 |
Abbreviation: AML, acute myeloid leukemia; NOS, no other specific.