Table 2 Adjusted odds ratio (aOR) of characteristics of adult and pediatric during the emergency department visit (appendicitis vs. non-appendicitis), NHAMCS 2005–2017
| Â | Adult | Pediatric | |||
|---|---|---|---|---|---|
Crude | Adjusted | Crude | Adjusted | ||
Sex | Famale | Reference | Reference | Reference | Reference |
Male | 2.156(1.846-2.518) | 2.327(1.984-2.728) | 2.070(1.595-2.686) | 2.759(2.102-3.622) | |
Ethnicity | Hispanic or Latino | Reference | Reference | Reference | Reference |
Not Hispanic or Latino | 0.749(0.619-0.907) | 0.722(0.590-0.884) | 0.888(0.683-1.156) | 0.830(0.618-1.116) | |
Race | White | Reference | Reference | Reference | Reference |
Black/African American | 0.438(0.337-0.571) | 0.502(0.382-0.659) | 0.276(0.175-0.437) | 0.340(0.210-0.552) | |
Asian | 1.784(1.202-2.648) | 1.679(1.117-2.522) | 0.715(0.315-1.621) | 0.856(0.366-2.002) | |
Native Hawaiian/Other Pacific Islander | 1.418(0.625-3.216) | 1.442(0.627-3.314) | 0.676(0.166-2.757) | 0.704(0.159-3.124) | |
American Indian/Alaska Native | 1.733(0.849-3.536) | 1.853(0.888-3.863) | 0.408(0.057-2.943) | 0.508(0.068-3.816) | |
More than one race reported | 0.715(0.176-2.904) | 0.623(0.151-2.566) | 0.888(0.217-3.633) | 1.268(0.286-5.610) | |
Residence | Private residence | Reference | Reference | Reference | Reference |
Nursing home | 0.091(0.013-0.645) | 0.182(0.025-1.312) | - | - | |
Homeless/homeless shelter | - | - | - | - | |
Other | 1.412(0.749-2.665) | 1.646(0.856-3.165) | 2.125(0.511-8.832) | 1.690(0.373-7.664) | |
Insurance | Private insurance | Reference | Reference | Reference | Reference |
Medicare | 0.262(0.200-0.342) | 0.297(0.226-0.390) | 0.364(0.089-1.487) | 0.451(0.106-1.910) | |
Medicaid or CHIP or other state-based program | 0.387(0.312-0.479) | 0.462(0.370-0.578) | 0.422(0.325-0.548) | 0.691(0.517-0.923) | |
Worker’s compensation | 1.319(0.317-5.484) | 1.926(0.438-8.466) | - | - | |
Self-pay | 0.600(0.474-0.760) | 0.574(0.450-0.732) | 0.608(0.353-1.047) | 0.611(0.345-1.082) | |
No charge/Charity | 0.764(0.391-1.495) | 0.755(0.381-1.495) | - | - | |
Other | 0.373(0.198-0.703) | 0.378(0.199-0.717) | 0.906(0.417-1.965) | 1.142(0.489-2.667) | |
Visit year | 2005 | Reference | Reference | Reference | Reference |
2006 | 0.926(0.658-1.304) | 0.857(0.604-1.215) | 0.620(0.367-1.046) | 0.813(0.464-1.425) | |
2007 | 0.854(0.607-1.202) | 0.811(0.572-1.150) | 0.512(0.283-0.926) | 0.572(0.305-1.074) | |
2008 | 0.738(0.518-1.052) | 0.730(0.508-1.048) | 0.659(0.379-1.145) | 0.701(0.388-1.265) | |
2009 | 0.650(0.455-0.929) | 0.617(0.428-0.890) | 0.355(0.210-0.601) | 0.524(0.299-0.921) | |
2010 | 0.671(0.475-0.948) | 0.633(0.443-0.903) | 0.175(0.091-0.336) | 0.253(0.127-0.502) | |
2011 | 0.790(0.565-1.107) | 0.759(0.537-1.073) | 0.371(0.214-0.642) | 0.546(0.303-0.982) | |
2012 | 0.615(0.429-0.881) | 0.598(0.413-0.866) | 0.359(0.206-0.626) | 0.432(0.238-0.784) | |
2013 | 0.359(0.230-0.559) | 0.372(0.236-0.585) | 0.367(0.207-0.651) | 0.548(0.296-1.014) | |
2014 | 0.474(0.317-0.710) | 0.475(0.314-0.719) | 0.258(0.142-0.471) | 0.385(0.203-0.729) | |
2015 | 0.392(0.250-0.615) | 0.395(0.249-0.625) | 0.302(0.162-0.566) | 0.408(0.209-0.796) | |
2016 | 0.515(0.340-0.780) | 1.076(0.601-1.927) | 0.126(0.052-0.305) | 0.363(0.142-0.929) | |
2017 | 0.388(0.239-0.630) | 0.406(0.248-0.665) | 0.303(0.157-0.585) | 0.389(0.193-0.781) | |
Visit month | January | Reference | Reference | Reference | Reference |
February | 0.917(0.624-1.349) | 0.876(0.592-1.295) | 0.944(0.512-1.740) | 0.916(0.483-1.735) | |
March | 0.971(0.670-1.405) | 0.911(0.625-1.328) | 0.776(0.405-1.486) | 0.891(0.455-1.743) | |
April | 0.873(0.598-1.275) | 0.822(0.559-1.209) | 0.793(0.414-1.519) | 0.868(0.444-1.699) | |
May | 0.976(0.676-1.409) | 0.936(0.644-1.359) | 1.053(0.579-1.913) | 1.206(0.648-2.242) | |
June | 0.998(0.690-1.443) | 0.935(0.643-1.360) | 0.915(0.483-1.734) | 1.064(0.548-2.067) | |
July | 1.033(0.719-1.484) | 0.985(0.681-1.424) | 0.913(0.477-1.750) | 0.987(0.501-1.943) | |
August | 0.948(0.659-1.363) | 0.877(0.606-1.271) | 1.189(0.654-2.162) | 1.204(0.644-2.249) | |
September | 1.012(0.701-1.461) | 0.969(0.666-1.408) | 1.945(1.142-3.313) | 2.33(1.331-4.082) | |
October | 0.963(0.658-1.410) | 0.879(0.597-1.295) | 1.699(0.977-2.957) | 1.834(1.024-3.286) | |
November | 0.778(0.526-1.152) | 0.769(0.517-1.145) | 0.885(0.472-1.660) | 1.063(0.552-2.044) | |
December | 0.971(0.666-1.416) | 0.950(0.648-1.395) | 0.962(0.513-1.805) | 1.244(0.645-2.400) | |
Visit day | Sunday | Reference | Reference | Reference | Reference |
Monday | 0.945(0.699-1.278) | 0.954(0.703-1.295) | 0.975(0.617-1.541) | 0.903(0.559-1.458) | |
Tuesday | 1.202(0.899-1.606) | 1.222(0.910-1.640) | 0.842(0.517-1.372) | 0.842(0.507-1.400) | |
Wednesday | 1.152(0.859-1.544) | 1.163(0.864-1.566) | 1.403(0.904-2.178) | 1.370(0.862-2.178) | |
Thursday | 1.056(0.782-1.427) | 1.086(0.801-1.474) | 1.199(0.763-1.884) | 1.182(0.735-1.900) | |
Friday | 1.225(0.913-1.645) | 1.300(0.963-1.753) | 1.080(0.674-1.730) | 1.086(0.662-1.781) | |
Saturday | 1.009(0.742-1.374) | 1.032(0.755-1.411) | 1.074(0.677-1.703) | 0.987(0.608-1.603) | |
Arrival time | Morning | Reference | Reference | Reference | Reference |
Afternoon | 0.904(0.736-1.110) | 0.953(0.774-1.175) | 1.314(0.919-1.878) | 1.355(0.931-1.972) | |
Evening | 0.887(0.709-1.108) | 0.900(0.718-1.129) | 0.935(0.645-1.356) | 0.956(0.648-1.409) | |
Night | 0.927(0.747-1.151) | 0.872(0.700-1.086) | 0.931(0.648-1.338) | 0.911(0.624-1.332) | |
Triage level | Immediate | Reference | Reference | Reference | Reference |
Emergent | 0.609(0.372-0.996) | 0.596(0.358-0.990) | 0.501(0.222-1.129) | 0.671(0.267-1.684) | |
Urgent | 0.412(0.263-0.645) | 0.447(0.279-0.715) | 0.269(0.128-0.568) | 0.346(0.146-0.820) | |
Semi-urgent | 0.208(0.125-0.347) | 0.234(0.138-0.398) | 0.083(0.037-0.184) | 0.176(0.071-0.439) | |
Nonurgent | 0.208(0.101-0.428) | 0.213(0.103-0.444) | 0.108(0.039-0.295) | 0.213(0.070-0.644) | |
Is injury/poisoning intentional | Intentional | Reference | Reference | Reference | Reference |
Unintentional | 0.408(0.091-1.842) | 0.293(0.062-1.395) | - | - | |
Questionable injury status | 1.779(0.440-7.199) | 0.216(0.037-1.249) | - | - | |
Visit related to an injury/poison/adverse effect of medical treatment within 72 hours | No | Reference | Reference | Reference | Reference |
Yes | 0.176(0.097-0.320) | 0.119(0.042-0.339) | - | - | |
72h Revisit | Yes | Reference | Reference | Reference | Reference |
No | 1.482(0.966-2.275) | 1.374(0.890-2.122) | 1.008(0.532-1.910) | 0.893(0.458-1.740) | |
Pain level | Mild | Reference | Reference | Reference | Reference |
Moderate | 2.221(1.674-2.948) | 2.016(1.513-2.687) | 6.562(4.504-9.561) | 5.291(3.587-7.805) | |
Very severe | 2.556(1.949-3.351) | 2.527(1.915-3.335) | 10.504(7.164-15.401) | 8.094(5.414-12.099) | |
Diagnostic services provided | No | Reference | Reference | Reference | Reference |
Yes | 1.919(1.424-2.588) | 2.268(1.445-3.560) | 6.093(3.893-9.538) | 3.385(2.106-5.441) | |