Table 1. Crohn’s disease in cannabis users vs. nonusers.
| Variables | Before matching (N=262,278) | After matching (N=6,002) | |||||
|---|---|---|---|---|---|---|---|
| No cannabis (n=258,079) | Cannabis (n=4,199) | P | No cannabis (n=3,003) | Cannabis (n=2,999) | P | ||
| Age (years) at hospitalization | <0.001# | <0.001# | |||||
| Mean ± SD | 42.6±16.7 | 33.2±10.9 | 36.3±10.8 | 34.0±11.5 | 0.619 | ||
| 18–44 | 59.1% | 83.3% | 80.3% | 79.5% | |||
| 45–64 | 28.7% | 15.4% | 18.3% | 18.9% | |||
| 65–84 | 11.1% | 1.3% | 1.4% | 1.6% | |||
| ≥85 | 1.1% | <11* | <11* | <11* | |||
| Sex | <0.001# | 0.560 | |||||
| Male | 43.4% | 63.0% | 57.1% | 57.8% | |||
| Female | 56.6% | 37.0% | 42.9% | 42.2% | |||
| Race | <0.001# | 0.265 | |||||
| White | 76.0% | 54.9% | 64.9% | 65.9% | |||
| Black | 14.6% | 33.5% | 23.9% | 24.6% | |||
| Hispanic | 5.5% | 7.8% | 6.8% | 5.8% | |||
| Asian or Pacific Islander | 1.0% | <11* | <11* | <11* | |||
| Native American | 0.4% | 0.8% | 1.1% | 0.8% | |||
| Others | 2.6% | 2.8% | 3.0% | 2.8% | |||
| Type of admission | <0.001# | 0.110 | |||||
| Non-elective | 84.7% | 94.6% | 93.4% | 94.4% | |||
| Elective | 15.3% | 5.4% | 6.6% | 5.6% | |||
| Primary payer | <0.001# | 0.001# | |||||
| Medicare | 23.3% | 15.8% | 18.7% | 19.7% | |||
| Medicaid | 16.6% | 35.6% | 33.5% | 33.2% | |||
| Private including HMO | 47.5% | 23.6% | 25.7% | 25.0% | |||
| Self-pay/no charge/other | 12.6% | 25.1% | 22.1% | 22.2% | |||
| Hospital characteristics | |||||||
| Median household income quartile as per patients’ zip codex | <0.001# | 0.053 | |||||
| 0–25th | 26.1% | 42.0% | 136.3% | 35.8% | |||
| 26–50th | 25.3% | 23.3% | 25.6% | 26.7% | |||
| 51–75th | 24.9% | 21.6% | 24.7% | 22.3% | |||
| 76–100th | 23.7% | 13.2% | 13.4% | 15.1% | |||
| Hospital location/teaching status | <0.001# | 0.099 | |||||
| Rural | 9.3% | 6.4% | 8.5% | 7.3% | |||
| Urban non-teaching | 35.6% | 26.1% | 29.2% | 31.2% | |||
| Urban teaching | 55.1% | 67.5% | 62.3% | 61.5% | |||
| Hospital region | <0.001# | 0.128 | |||||
| Northeast | 24.0% | 22.6% | 21.9% | 22.6% | |||
| Midwest | 21.7% | 24.7% | 23.9% | 23.0% | |||
| South | 40.8%) | 38.1% | 40.5% | 38.8% | |||
| West | 13.5% | 14.6% | 13.7% | 15.6% | |||
x, denotes a quartile classification of the estimated median household income of residents in the patient’s ZIP Code. Derived from https://www.hcup-us.ahrq.gov/db/vars/zipinc_qrtl/nisnote.jsp; ¥, the bed size cut off points allocated into small, medium, and large, derived from https://www.hcup-us.ahrq.gov/db/vars/hosp_bedsize/nisnote.jsp. HMO, Health Maintenance Organization. #, P<0.05 indicates statistical significance. Cell counts <11 are indicated by * as per HCUP privacy guidelines.