| . | HCV Positive (n = 56) . | HCV Negative (n = 7373) . | . |
|---|---|---|---|
| Risk Factors . | No./No. Obs (%) . | No./No. Obs (%) . | P Value . |
| Any known risk factor | 23/56 (41.1) | 1285/7369 (17.4) | <.0001 |
| Substance Use | |||
| History of cannabis use | 4/49 (8.2) | 155/6743 (2.3) | .03 |
| History of IV drug use | 10/52 (19.2) | 6/6725 (0.1) | <.0001 |
| History of cocaine use | 5/50 (10) | 19/6728 (0.3) | <.0001 |
| Healthcare Exposure | |||
| History of blood transfusion | 2/25 (8) | 199/3402 (5.8) | .66 |
| Healthcare worker | 4/53 (7.5) | 690/7059 (9.8) | .59 |
| Comorbidities | |||
| Chronic hepatitis B | 1/56 (1.8) | 46/7197 (0.6) | .31 |
| HIV | 0/55 (0) | 19/7080 (0.3) | >.99 |
| History of gonorrhea/chlamydia | 5/53 (9.4) | 267/6525 (4.1) | .07 |
| History of syphilis | 0/56 (0) | 19/7058 (0.3) | >.99 |
| Other | |||
| Tattoosa | 5/56 (8.9) | 11/7373 (0.1) | <.0001 |
| . | HCV Positive (n = 56) . | HCV Negative (n = 7373) . | . |
|---|---|---|---|
| Risk Factors . | No./No. Obs (%) . | No./No. Obs (%) . | P Value . |
| Any known risk factor | 23/56 (41.1) | 1285/7369 (17.4) | <.0001 |
| Substance Use | |||
| History of cannabis use | 4/49 (8.2) | 155/6743 (2.3) | .03 |
| History of IV drug use | 10/52 (19.2) | 6/6725 (0.1) | <.0001 |
| History of cocaine use | 5/50 (10) | 19/6728 (0.3) | <.0001 |
| Healthcare Exposure | |||
| History of blood transfusion | 2/25 (8) | 199/3402 (5.8) | .66 |
| Healthcare worker | 4/53 (7.5) | 690/7059 (9.8) | .59 |
| Comorbidities | |||
| Chronic hepatitis B | 1/56 (1.8) | 46/7197 (0.6) | .31 |
| HIV | 0/55 (0) | 19/7080 (0.3) | >.99 |
| History of gonorrhea/chlamydia | 5/53 (9.4) | 267/6525 (4.1) | .07 |
| History of syphilis | 0/56 (0) | 19/7058 (0.3) | >.99 |
| Other | |||
| Tattoosa | 5/56 (8.9) | 11/7373 (0.1) | <.0001 |
Abbreviations: HCV, hepatitis C virus; HIV, human immunodeficiency virus; IV, intravenous; Obs, obstetricians.
aPatients missing the tattoos variable are included in the denominator and inferred as not having tattoos.
| . | HCV Positive (n = 56) . | HCV Negative (n = 7373) . | . |
|---|---|---|---|
| Risk Factors . | No./No. Obs (%) . | No./No. Obs (%) . | P Value . |
| Any known risk factor | 23/56 (41.1) | 1285/7369 (17.4) | <.0001 |
| Substance Use | |||
| History of cannabis use | 4/49 (8.2) | 155/6743 (2.3) | .03 |
| History of IV drug use | 10/52 (19.2) | 6/6725 (0.1) | <.0001 |
| History of cocaine use | 5/50 (10) | 19/6728 (0.3) | <.0001 |
| Healthcare Exposure | |||
| History of blood transfusion | 2/25 (8) | 199/3402 (5.8) | .66 |
| Healthcare worker | 4/53 (7.5) | 690/7059 (9.8) | .59 |
| Comorbidities | |||
| Chronic hepatitis B | 1/56 (1.8) | 46/7197 (0.6) | .31 |
| HIV | 0/55 (0) | 19/7080 (0.3) | >.99 |
| History of gonorrhea/chlamydia | 5/53 (9.4) | 267/6525 (4.1) | .07 |
| History of syphilis | 0/56 (0) | 19/7058 (0.3) | >.99 |
| Other | |||
| Tattoosa | 5/56 (8.9) | 11/7373 (0.1) | <.0001 |
| . | HCV Positive (n = 56) . | HCV Negative (n = 7373) . | . |
|---|---|---|---|
| Risk Factors . | No./No. Obs (%) . | No./No. Obs (%) . | P Value . |
| Any known risk factor | 23/56 (41.1) | 1285/7369 (17.4) | <.0001 |
| Substance Use | |||
| History of cannabis use | 4/49 (8.2) | 155/6743 (2.3) | .03 |
| History of IV drug use | 10/52 (19.2) | 6/6725 (0.1) | <.0001 |
| History of cocaine use | 5/50 (10) | 19/6728 (0.3) | <.0001 |
| Healthcare Exposure | |||
| History of blood transfusion | 2/25 (8) | 199/3402 (5.8) | .66 |
| Healthcare worker | 4/53 (7.5) | 690/7059 (9.8) | .59 |
| Comorbidities | |||
| Chronic hepatitis B | 1/56 (1.8) | 46/7197 (0.6) | .31 |
| HIV | 0/55 (0) | 19/7080 (0.3) | >.99 |
| History of gonorrhea/chlamydia | 5/53 (9.4) | 267/6525 (4.1) | .07 |
| History of syphilis | 0/56 (0) | 19/7058 (0.3) | >.99 |
| Other | |||
| Tattoosa | 5/56 (8.9) | 11/7373 (0.1) | <.0001 |
Abbreviations: HCV, hepatitis C virus; HIV, human immunodeficiency virus; IV, intravenous; Obs, obstetricians.
aPatients missing the tattoos variable are included in the denominator and inferred as not having tattoos.
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