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. Author manuscript; available in PMC: 2022 Feb 1.
Published in final edited form as: Transplant Cell Ther. 2020 Dec 21;27(2):177.e1–177.e8. doi: 10.1016/j.jtct.2020.10.012

Table 1:

Demographic characteristics by exposure

Cephalosporins Penicillins Carbapenems
No exposure Exposed p value No exposure Exposed p value No exposure Exposed p value
Overall 1232 (48.3%) 1318 (51.7%) 1947 (76.4%) 603 (23.7%) 2062 (80.9%) 488 (19.1%)
Age
  1-2y 116 (43.0%) 154 (57.0%) 0.260 191 (70.7%) 79 (29.3%) 0.100 214 (79.3%) 56 (20.7%) <.001
  3-10y 506 (48.1%) 546 (51.9%) 803 (76.3%) 249 (23.7%) 891 (84.7%) 161 (15.3%)
  11-15y 344 (49.7%) 348 (50.3%) 542 (78.3%) 150 (21.7%) 550 (79.5%) 142 (20.5%)
  16-21y 266 (49.6%) 270 (50.4%) 411 (76.7%) 125 (23.3%) 407 (75.9%) 129 (24.1%)
Sex
  Male 731 (48.5%) 776 (51.5%) 0.810 1139 (75.6%) 368 (24.4%) 0.270 1213 (80.5%) 294 (19.5%) 0.570
  Female 501 (48.0%) 542 (52.0%) 808 (77.5%) 235 (22.5%) 849 (81.4%) 194 (18.6%)
Race
  White 952 (47.8%) 1040 (52.2%) 0.800 1546 (77.6%) 446 (22.4%) 0.039 1594 (80.0%) 398 (20.0%) 0.035
  Non-white 159 (47.0%) 179 (53.0%) 245 (72.5%) 93 (27.5%) 287 (84.9%) 51 (15.1%)
Disease
  AML 542 (52.7%) 487 (47.3%) <.001 801 (77.8%) 228 (22.2%) 0.150 828 (80.5%) 201 (19.5%) 0.680
  ALL 690 (45.4%) 831 (54.6%) 1146 (75.4%) 375 (24.7%) 1234 (81.1%) 287 (18.9%)
Disease status
  CR1 626 (51.2%) 597 (48.8%) 0.005 926 (75.7%) 297 (24.3%) 0.470 1016 (83.1%) 207 (16.9%) 0.006
 ≥CR2 606 (45.7%) 721 (54.3%) 1021 (76.9%) 306 (23.1%) 1046 (78.8%) 281 (21.2%)
Donor
  Matched related 411 (58.0%) 298 (42.0%) <.001 566 (79.8%) 143 (20.2%) 0.015 586 (82.7%) 123 (17.4%) 0.200
  Matched unrelated 396 (48.2%) 425 (51.8%) 603 (73.5%) 218 (26.6%) 672 (81.9%) 149 (18.2%)
  Mismatched unrelated 334 (43.3%) 438 (56.7%) 579 (75.0%) 193 (25.0%) 604 (78.2%) 168 (21.8%)
  Haploidentical 58 (41.1%) 83 (58.9%) 110 (78.0%) 31 (22.0%) 116 (82.3%) 25 (17.7%)
  Missing 33 (30.8%) 74 (69.2%) 89 (83.2%) 18 (16.8%) 84 (78.5%) 23 (21.5%)
Graft source
  Bone marrow 849 (55.0%) 696 (45.1%) <.001 1156 (74.8%) 389 (25.2%) 0.002 1273 (82.4%) 272 (17.6%) 0.001
  Peripheral blood 149 (36.9%) 255 (63.1%) 336 (83.2%) 68 (16.8%) 334 (82.7%) 70 (17.3%)
  Cord blood 234 (38.9%) 367 (61.1%) 455 (75.7%) 146 (24.3%) 455 (75.7%) 146 (24.3%)
GVHD prophylaxis
  CNI-based 1139 (50.1%) 1136 (49.9%) <.001 1714 (75.3%) 561 (24.7%) 0.003 1823 (80.1%) 452 (19.9%) 0.008
  Ex vivo cell manipulation 51 (31.7%) 110 (68.3%) 136 (84.5%) 25 (15.5%) 145 (90.1%) 16 (9.9%)
  Other 42 (36.8%) 72 (63.2%) 97 (85.1%) 17 (14.9%) 94 (82.5%) 20 (17.5%)
Conditioning
  Myeloablative with TBI 732 (43.8%) 939 (56.2%) <.001 1282 (76.7%) 389 (22.3%) 0.570 1356 (81.2%) 215 (18.9%) 0.580
  Myeloablative without TBI 397 (60.2%) 262 (39.8%) 492 (74.7%) 167 (25.3%) 524 (79.5%) 135 (20.5%)
  Reduced intensity 89 (52.4%) 81 (47.7%) 129 (75.9%) 41 (24.1%) 140 (82.4%) 30 (17.7%)
Receipt of Thymoglobulin/Alemtuzumab
  No 835 (48.9%) 874 (51.1%) 0.430 1333 (78.0%) 376 (22.0%) 0.005 1408 (82.4%) 301 (17.6%) 0.005
  Yes 397 (47.2%) 444 (52.8%) 614 (73.0%) 227 (27.0%) 654 (77.8%) 187 (22.2%)
Intensive care unit resource utilization
  No 1170 (48.5%) 1245 (51.6%) 0.570 1860 (77.0%) 555 (23.0%) <.001 1972 (81.7%) 443 (18.3%) <.001
  Yes 62 (45.9%) 73 (54.1%) 87 (64.4%) 48 (35.6%) 90 (66.7%) 45 (33.3%)
Receipt of growth factors
  No 830 (53.0%) 735 (47.0%) <.001 1187 (75.9%) 378 (24.2%) 0.450 1292 (82.6%) 273 (17.4%) 0.006
  Yes 402 (40.8%) 583 (59.2%) 760 (77.2%) 225 (22.8%) 770 (78.2%) 215 (21.8%)
Days to neutrophil engraftment, median 20 (7-65) 20 (8-98) 0.001 20 (7-98) 21 (10-65) <.001 20 (7 - 98) 21 (10-61) <.001

Cephalosporins: cefepime, ceftazidime, aztreonam; Penicillins: piperacillin-tazobactam, ticarcillin-clauvulanate; Carbapenems:meropenem, imipenem-ilastatin, doripenem AML Acute Myeloid Leukemia; ALL Acute Lymphoblastic Leukemia; CR Clinical Remission; CNI Calcineurin Inhibitor; GVHD Graft versus Host Disease; TBI Total Body Irradiation