Table 2.
Association between characteristics of patients with acute appendicitis treated at 122 University HealthSystems Consortium Hospitals and operative interventions. (N=2,565)
|
Patient
Characteristics |
Open appendectomy, N = 390 |
Laparoscopic appendectomy, N = 1867 |
IR drain only, N =48 |
No intervention, N = 256 |
p value* |
|---|---|---|---|---|---|
| Female | 170 (43.6) | 855 (45.8) | 19 (39.6) | 110 (43) | 0.6188 |
| Age (years) | <.0001 | ||||
| 18-25, N (%) | 62 (15.9) | 466 (25) | 12 (25) | 43 (16.8) | |
| 26-45, N (%) | 128 (32.8) | 739 (39.6) | 13 (27.1) | 75 (29.3) | |
| 46-65, N (%) | 153 (39.2) | 503 (26.9) | 16 (33.3) | 97 (37.9) | |
| 66-85, N (%) | 41 (10.5) | 146 (7.8) | 7 (14.6) | 35 (13.7) | |
| >85, N (%) | 6 (1.5) | 13 (0.7) | 0 | 6 (2.3) | |
| Race | 0.0963 | ||||
| White, N (%) | 263 (67.4) | 1210 (64.8) | 32 (66.7) | 150 (58.6) | |
| Black, N (%) | 37 (9.5) | 203 (10.9) | 6 (12.5) | 42 (16.4) | |
| Hispanic, N (%) | 61 (15.6) | 310 (16.6) | 5 (10.4) | 49 (19.1) | |
| Asian, N (%) | 12 (3.1) | 89 (4.8) | 2 (4.2) | 10 (3.9) | |
| Other, N (%) | 17 (4.4) | 55 (2.9) | 3 (6.3) | 5 (2) | |
| Insurance | <.0001 | ||||
| Private, N (%) | 160 (41) | 973 (52.1) | 16 (33.3) | 104 (40.6) | |
| Medicaid, N (%) | 57 (14.6) | 270 (14.5) | 8 (16.7) | 43 (16.8) | |
| Medicare, N (%) | 63 (16.2) | 193 (10.3) | 8 (16.7) | 53 (20.7) | |
| Other Government, N (%) |
10 (2.6) | 32 (1.7) | 3 (6.3) | 4 (1.6) | |
| Other, N (%) | 31 (7.9) | 125 (6.7) | 4 (8.3) | 16 (6.3) | |
| Uninsured, N (%) | 69 (17.7) | 274 (14.7) | 9 (18.8) | 36 (14.1) | |
| Severity of Illness | <.0001^^ | ||||
| Minor, N (%) | 165 (42.3) | 1090 (58.4) | 0 | 48 (18.8) | |
| Moderate, N (%) | 190 (48.7) | 714 (38.2) | 48 (100) | 188 (73.4) | |
| Major, N (%) | 30 (7.7) | 61 (3.3) | 0 | 18 (7) | |
| Extreme, N (%) | 5 (1.3) | 2 (0.1) | 0 | 2 (0.8) | |
| Type of EGS** model | <.0001 | ||||
| ACS** | 166 (42.6) | 1072 (57.4) | 29 (60.4) | 144 (56.3) | |
| GSOC** | 224 (57.4) | 795 (42.6) | 19 (39.6) | 112 (43.8) | |
*
Pearson chi-squared test of association or non-parametric tests of comparison of medians or t-tests for means
**
EGS = emergency general surgery; ACS = acute care surgery; GSOC = general surgeon on call
^^
P-value for severity of illness comparison is based on three groups (Open appendectomy, Laparoscopic appendectomy, and none) due to lack of frequencies on IR-drain only group.
-Note that 4 frequencies are missing for this table N=2561, lap+IR (2) and open+IR (2).