Table 2.
Distribution of Work-Related Emergency Department Visits by Clinical Characteristics and by Non-Worker's Compensation Expected Payer—National Hospital Ambulatory Medical Care Survey, United States, 2003–2006
| Clinical Characteristic | Est. Number of ED Visits (% of Total*) | Percent Non-WC Expected Payer (95% CI) | p-Value† |
|---|---|---|---|
| Diagnosis type | |||
| Injury or poisoning | 8,941 (73.7) | 36.9 (33.5–40.2) | .77‡, <.01§ |
| Dislocation/fracture | 724 (6.0) | 36.1 (27.6–44.7) | |
| Sprain/strain | 2,119 (17.5) | 35.3 (29.7–40.9) | |
| Laceration/puncture/amputation/avulsion | 2,580 (21.3) | 36.7 (32.4–40.9) | |
| Contusion/abrasion/hematoma/crush | 2,165 (17.9) | 36.7 (31.7–41.6) | |
| Burns | 349 (2.9) | 37.1 (26.2–48.0) | |
| Other injury or poisoning | 1,004 (8.3) | 41.6 (34.0–49.1) | |
| Illness or other reason for visit | 3,191 (26.3) | 47.4 (42.8–52.1) | <.01¶, <.01** |
| Disorders of eye and adnexa | 211 (1.7) | 28.9 (13.7–44.1) | |
| Diseases of skin and subcutaneous tissue | 264 (2.2) | 64.9 (51.4–78.3) | |
| Diseases of musculoskeletal system | 1,219 (10.1) | 40.7 (34.4–46.9) | |
| Symptoms, signs, and ill-defined conditions | 307 (2.5) | 53.8 (40.9–66.7) | |
| Other illness or other reason for visit | 1,189 (9.8) | 52.2 (44.6–59.8) | |
| Presenting level of pain†† | |||
| None | 1,232 (12.5) | 41.5 (35.0–48.1) | .81 |
| Mild | 2,280 (23.2) | 40.0 (35.0–45.0) | |
| Moderate | 3,868 (39.3) | 39.6 (35.7–43.6) | |
| Severe | 2,460 (25.0) | 42.2 (36.7–47.6) | |
| Immediacy with which patient should be seen‡‡ | |||
| <15 minutes | 1,533 (14.9) | 41.6 (35.2–47.9) | .62 |
| 15–60 minutes | 3,712 (36.0) | 40.8 (36.5–45.1) | |
| >1–2 hours | 2,933 (28.4) | 37.0 (32.4–41.7) | |
| >2–24 hours | 2,143 (20.8) | 39.6 (33.1–46.1) | |
| Mode of arrival§§ | |||
| Ambulance | 1,107 (9.4) | 42.9 (35.5–50.6) | .41 |
| Walk-in or public service | 10,634 (90.6) | 39.6 (36.3–42.9) | |
Thousands of visits.
From the Rao-Scott design-adjusted Chi-square test for independence.
Testing distribution of WC payment status across subcategories of “Injury or poisoning.”
Testing distribution of WC payment status by injury/illness.
Testing distribution of WC payment status across subcategories of “Illness or other reason for visit.”
Testing distribution of WC payment status across all injury and illness categories.
Due to missing data for this variable, n = 3,147, estimated N = 9,840,000.
Due to missing data for this variable, n = 3,287, estimated N = 10,320,000.
Due to missing data for this variable, n = 3,756, estimated N = 11,741,000.