Risk factors for VTE in allogeneic BMT survivors
Category . | Univariable . | Multivariable (P < .2 in univariate) . | Parsimonious model* . | ||||||
---|---|---|---|---|---|---|---|---|---|
HR . | 95% CI . | P . | HR . | 95% CI . | P . | HR . | 95% CI . | P . | |
Age at BMT | |||||||||
Per year increase in age | 1.03 | 1.02-1.05 | <.0001 | 1.01 | 0.99-1.03 | .30 | 1.02 | 1.01-1.04 | .002 |
Sex (reference: female) | |||||||||
Male | 1.57 | (0.99-2.49) | .055 | 1.56 | (0.97-2.49) | .064 | 1.52 | (0.95-2.42) | .080 |
Race (reference: non-Hispanic Whites) | |||||||||
Hispanic | 0.79 | (0.39-1.60) | .518 | ||||||
Black | 0.57 | (0.08-4.09) | .574 | ||||||
Asian | 1.09 | (0.44-2.72) | .850 | ||||||
Other | 0.82 | (0.20-3.36) | .785 | ||||||
Education (reference: ≤high school) | |||||||||
Some college | 1.17 | (0.59-2.30) | .661 | ||||||
College graduate | 1.38 | (0.72-2.64) | .332 | ||||||
Income (reference: <$50000) | |||||||||
$50000-$100000 | 0.96 | (0.53-1.73) | .892 | ||||||
>$100000 | 1.09 | (0.64-1.85) | .751 | ||||||
Missing | 1.23 | (0.29-5.19) | .782 | ||||||
Health behaviors/Medications | |||||||||
Oral contraceptives | 0.55 | (0.22-1.36) | .196 | ||||||
Female hormone replacement | 0.94 | (0.57-1.56) | .811 | ||||||
Testosterone replacement | 1.28 | (0.59-2.79) | .534 | ||||||
Immunosuppression | 2.74 | (1.74-4.31) | <.0001 | 2.05 | (1.25-3.35) | .004 | 2.28 | (1.41-3.68) | .0008 |
Alcohol | 1.18 | (0.75-1.85) | .484 | ||||||
Smoking | 0.35 | (0.09-1.41) | .140 | 0.55 | (0.20-1.52) | .250 | |||
Comorbidities | |||||||||
Diabetes | 2.18 | (1.25-3.80) | .006 | 1.15 | (0.62-2.10) | .662 | |||
Hypertension | 2.24 | (1.43-3.50) | .0004 | 1.17 | (0.70-1.95) | .549 | |||
Dyslipidemia | 2.25 | (1.42-3.57) | .0006 | 1.12 | (0.66-1.90) | .676 | |||
Obesity, BMI | 1.05 | 1.01-1.08 | .014 | 1.06 | 1.02-1.10 | .006 | 1.06 | 1.02-1.10 | .002 |
Chronic kidney disease | 2.73 | (1.19-6.3) | .018 | 2.11 | (0.88-5.06) | .094 | 2.23 | (0.95-5.19) | .064 |
Congestive heart failure | 0.91 | (0.22-3.73) | .901 | ||||||
Arrhythmia | 1.75 | (0.90-3.40) | .099 | ||||||
Stroke | 4.59 | (2.10-9.99) | .0001 | 3.12 | (1.37-7.11) | .007 | 3.71 | (1.66-8.27) | .001 |
Chronic GVHD | 1.99 | (1.27-3.10) | .003 | 1.42 | (0.87-2.33) | .162 | 1.62 | (1.00-2.60) | .049 |
Relapse/secondary malignant neoplasm | NA | NA | NA | ||||||
Primary diagnosis (reference: NHL) | |||||||||
ALL | 0.70 | (0.33-1.50) | .361 | 1.41 | (0.48-4.13) | .534 | 1.12 | (0.51-2.46) | .773 |
AML/MDS | 0.70 | (0.37-1.32) | .272 | 1.31 | (0.42-4.04) | .641 | 0.84 | (0.44-1.6) | .601 |
CML | 0.25 | (0.10-0.62) | .003 | 0.62 | (0.14-2.66) | .519 | 0.27 | (0.11-0.69) | .006 |
SAA | 0.09 | (0.01-0.71) | .022 | 0.33 | (0.04-3.07) | .330 | 0.16 | (0.02-1.23) | .078 |
Other | 0.97 | (0.46-2.04) | .936 | 2.52 | (1.01-6.29) | .048 | 1.915 | (0.88-4.18) | .103 |
Stem cell source (reference: bone marrow) | |||||||||
PBSCs | 0.39 | (0.17-0.89) | .025 | 1.67 | (0.79-3.52) | .176 | 2.73 | (1.65-4.50) | <.0001 |
Cord Blood | 1.65 | (0.77-3.50) | .195 | 1.02 | (0.38-2.75) | .964 | 1.87 | (0.99-3.55) | .055 |
Conditioning regimen (reference: others) | |||||||||
Fludarabine + melphalan based | 3.34 | (2.05- 5.44) | <.0001 | 1.46 | (0.78-2.75) | .237 | |||
Pre-BMT chemotherapy | |||||||||
Cytarabine | 1.34 | (0.85-2.10) | .209 | ||||||
Cyclophosphamide/Ifosfamide | 2.13 | (1.33-3.43) | .002 | 0.77 | (0.30-2.00) | .594 | |||
Platinum | 2.45 | (1.28-4.69) | .007 | 1.11 | (0.45-2.69) | .826 | |||
Etoposide | 1.33 | (0.74-2.38) | .345 | ||||||
Rituximab | 3.14 | (1.76-5.62) | .0001 | 1.34 | (0.53-3.35) | .533 | |||
Steroid | 1.68 | (1.07-2.64) | .025 | 0.95 | (0.39-2.35) | .913 | |||
Anthracycline | 2.13 | (1.31-3.47) | .002 | 1.18 | (0.60-2.34) | .629 | |||
Vinca alkaloids | 2.15 | (1.36-3.38) | .001 | 1.59 | (0.46-5.51) | .461 | |||
Hydroxyurea | 0.45 | (0.23-0.91) | .026 | 0.98 | (0.33-0.93) | .025 | |||
Methotrexate | 1.36 | (0.82-2.24) | .237 | ||||||
Asparaginase | 1.46 | (0.79-2.71) | .229 | ||||||
Other | 1.53 | (0.97-2.42) | .068 | ||||||
Radiation (reference: no radiation)† | |||||||||
Any radiation | 1.24 | (0.60-2.59) | .564 | ||||||
Chest | NA | NA | NA | ||||||
Neck | 1.75 | (0.24-12.62) | .577 | ||||||
Head | 1.33 | (0.53-3.31) | .543 | ||||||
Abdomen | 1.82 | (0.25-13.12) | .553 | ||||||
Extremity | 1.82 | (0.25-13.07) | .554 | ||||||
Radiation dose, cGy (reference: no radiation) | |||||||||
<2000 | 2.22 | (0.55-9.09) | .265 | ||||||
2000-3000 | 1.11 | (0.27-4.61) | .881 | ||||||
3000-4000 | 2.18 | (0.53-8.91) | .277 | ||||||
>4000 | 1.58 | (0.39-6.46) | .524 |
Category . | Univariable . | Multivariable (P < .2 in univariate) . | Parsimonious model* . | ||||||
---|---|---|---|---|---|---|---|---|---|
HR . | 95% CI . | P . | HR . | 95% CI . | P . | HR . | 95% CI . | P . | |
Age at BMT | |||||||||
Per year increase in age | 1.03 | 1.02-1.05 | <.0001 | 1.01 | 0.99-1.03 | .30 | 1.02 | 1.01-1.04 | .002 |
Sex (reference: female) | |||||||||
Male | 1.57 | (0.99-2.49) | .055 | 1.56 | (0.97-2.49) | .064 | 1.52 | (0.95-2.42) | .080 |
Race (reference: non-Hispanic Whites) | |||||||||
Hispanic | 0.79 | (0.39-1.60) | .518 | ||||||
Black | 0.57 | (0.08-4.09) | .574 | ||||||
Asian | 1.09 | (0.44-2.72) | .850 | ||||||
Other | 0.82 | (0.20-3.36) | .785 | ||||||
Education (reference: ≤high school) | |||||||||
Some college | 1.17 | (0.59-2.30) | .661 | ||||||
College graduate | 1.38 | (0.72-2.64) | .332 | ||||||
Income (reference: <$50000) | |||||||||
$50000-$100000 | 0.96 | (0.53-1.73) | .892 | ||||||
>$100000 | 1.09 | (0.64-1.85) | .751 | ||||||
Missing | 1.23 | (0.29-5.19) | .782 | ||||||
Health behaviors/Medications | |||||||||
Oral contraceptives | 0.55 | (0.22-1.36) | .196 | ||||||
Female hormone replacement | 0.94 | (0.57-1.56) | .811 | ||||||
Testosterone replacement | 1.28 | (0.59-2.79) | .534 | ||||||
Immunosuppression | 2.74 | (1.74-4.31) | <.0001 | 2.05 | (1.25-3.35) | .004 | 2.28 | (1.41-3.68) | .0008 |
Alcohol | 1.18 | (0.75-1.85) | .484 | ||||||
Smoking | 0.35 | (0.09-1.41) | .140 | 0.55 | (0.20-1.52) | .250 | |||
Comorbidities | |||||||||
Diabetes | 2.18 | (1.25-3.80) | .006 | 1.15 | (0.62-2.10) | .662 | |||
Hypertension | 2.24 | (1.43-3.50) | .0004 | 1.17 | (0.70-1.95) | .549 | |||
Dyslipidemia | 2.25 | (1.42-3.57) | .0006 | 1.12 | (0.66-1.90) | .676 | |||
Obesity, BMI | 1.05 | 1.01-1.08 | .014 | 1.06 | 1.02-1.10 | .006 | 1.06 | 1.02-1.10 | .002 |
Chronic kidney disease | 2.73 | (1.19-6.3) | .018 | 2.11 | (0.88-5.06) | .094 | 2.23 | (0.95-5.19) | .064 |
Congestive heart failure | 0.91 | (0.22-3.73) | .901 | ||||||
Arrhythmia | 1.75 | (0.90-3.40) | .099 | ||||||
Stroke | 4.59 | (2.10-9.99) | .0001 | 3.12 | (1.37-7.11) | .007 | 3.71 | (1.66-8.27) | .001 |
Chronic GVHD | 1.99 | (1.27-3.10) | .003 | 1.42 | (0.87-2.33) | .162 | 1.62 | (1.00-2.60) | .049 |
Relapse/secondary malignant neoplasm | NA | NA | NA | ||||||
Primary diagnosis (reference: NHL) | |||||||||
ALL | 0.70 | (0.33-1.50) | .361 | 1.41 | (0.48-4.13) | .534 | 1.12 | (0.51-2.46) | .773 |
AML/MDS | 0.70 | (0.37-1.32) | .272 | 1.31 | (0.42-4.04) | .641 | 0.84 | (0.44-1.6) | .601 |
CML | 0.25 | (0.10-0.62) | .003 | 0.62 | (0.14-2.66) | .519 | 0.27 | (0.11-0.69) | .006 |
SAA | 0.09 | (0.01-0.71) | .022 | 0.33 | (0.04-3.07) | .330 | 0.16 | (0.02-1.23) | .078 |
Other | 0.97 | (0.46-2.04) | .936 | 2.52 | (1.01-6.29) | .048 | 1.915 | (0.88-4.18) | .103 |
Stem cell source (reference: bone marrow) | |||||||||
PBSCs | 0.39 | (0.17-0.89) | .025 | 1.67 | (0.79-3.52) | .176 | 2.73 | (1.65-4.50) | <.0001 |
Cord Blood | 1.65 | (0.77-3.50) | .195 | 1.02 | (0.38-2.75) | .964 | 1.87 | (0.99-3.55) | .055 |
Conditioning regimen (reference: others) | |||||||||
Fludarabine + melphalan based | 3.34 | (2.05- 5.44) | <.0001 | 1.46 | (0.78-2.75) | .237 | |||
Pre-BMT chemotherapy | |||||||||
Cytarabine | 1.34 | (0.85-2.10) | .209 | ||||||
Cyclophosphamide/Ifosfamide | 2.13 | (1.33-3.43) | .002 | 0.77 | (0.30-2.00) | .594 | |||
Platinum | 2.45 | (1.28-4.69) | .007 | 1.11 | (0.45-2.69) | .826 | |||
Etoposide | 1.33 | (0.74-2.38) | .345 | ||||||
Rituximab | 3.14 | (1.76-5.62) | .0001 | 1.34 | (0.53-3.35) | .533 | |||
Steroid | 1.68 | (1.07-2.64) | .025 | 0.95 | (0.39-2.35) | .913 | |||
Anthracycline | 2.13 | (1.31-3.47) | .002 | 1.18 | (0.60-2.34) | .629 | |||
Vinca alkaloids | 2.15 | (1.36-3.38) | .001 | 1.59 | (0.46-5.51) | .461 | |||
Hydroxyurea | 0.45 | (0.23-0.91) | .026 | 0.98 | (0.33-0.93) | .025 | |||
Methotrexate | 1.36 | (0.82-2.24) | .237 | ||||||
Asparaginase | 1.46 | (0.79-2.71) | .229 | ||||||
Other | 1.53 | (0.97-2.42) | .068 | ||||||
Radiation (reference: no radiation)† | |||||||||
Any radiation | 1.24 | (0.60-2.59) | .564 | ||||||
Chest | NA | NA | NA | ||||||
Neck | 1.75 | (0.24-12.62) | .577 | ||||||
Head | 1.33 | (0.53-3.31) | .543 | ||||||
Abdomen | 1.82 | (0.25-13.12) | .553 | ||||||
Extremity | 1.82 | (0.25-13.07) | .554 | ||||||
Radiation dose, cGy (reference: no radiation) | |||||||||
<2000 | 2.22 | (0.55-9.09) | .265 | ||||||
2000-3000 | 1.11 | (0.27-4.61) | .881 | ||||||
3000-4000 | 2.18 | (0.53-8.91) | .277 | ||||||
>4000 | 1.58 | (0.39-6.46) | .524 |