Table 1 Baseline demographics of patients enrolled in the prospective cohort used in development and internal validation of the Clinical Decision Rule. Data are reported as mean (±Standard deviation) or n (%). (Body Mass Index = BMI).
From: Development of an ultrasound-based clinical decision rule to rule-out diverticulitis
Overall | None | Simple | Complicated | p-value | ||
|---|---|---|---|---|---|---|
n | 149 | 74 | 53 | 22 | ||
Age | 58 (16) | 57 (16) | 58 (16) | 62 (15) | 0.418 | |
Female (%) | 82 (55) | 37 (50) | 32 (60) | 13 (59) | 0.469 | |
Race (%) | 0.394 | |||||
White | 111 (74.5) | 50 (67.6) | 43 (81.1) | 18 (81.8) | ||
Asian | 3 (2.0) | 3 (4.1) | 0 (0.0) | 0 (0.0) | ||
Black | 7 (4.7) | 5 (6.8) | 1 (1.9) | 1 (4.5) | ||
Other | 28 (18.8) | 16 (21.6) | 9 (17.0) | 3 (13.6) | ||
Ethnicity (%) | 0.134 | |||||
Hispanic | 25 (17) | 11 (14.9) | 11 (20.8) | 3 (13.6) | ||
Non-Hispanic | 115 (77) | 55 (74.3) | 42 (79.2) | 18 (81.8) | ||
Other | 9 (6) | 8 (10.8) | 0 (0.0) | 1 (4.5) | ||
BMI | 29.3 (6.5) | 27.7 (4.8) | 31.4 (8.4) | 29.1 (4.6) | 0.009 | |
History Diverticulosis (%) | 86 (57.7) | 31 (42) | 37 (70) | 18 (82) | < 0.001 | |
History Diverticulitis (%) | 58 (38.9) | 16 (22) | 28 (53) | 14 (64) | < 0.001 | |
History of Surgery (%) | 61 (40.9) | 29 (40) | 24 (45) | 8 (36) | 0.705 | |
Immunosuppressants (%) | 8 (5.4) | 2 (2.7) | 4 (7.5) | 2 (9.1) | 0.345 | |
Pretest Probability (%) | < 0.001 | |||||
None to Very Low | 34 (23.3) | 29 (40.8) | 3 (5.7) | 2 (9.1) | ||
Low | 68 (46.6) | 30 (42.3) | 29 (54.7) | 9 (40.9) | ||
Moderate to High | 44 (30.1) | 12 (16.9) | 21 (39.6) | 11 (50.0) | ||
Surgery (%) | ||||||
Related to diverticulitis | 4 (2.7) | 0 (0) | 0 (0) | 4 (18.2) | < 0.001 | |
Unrelated | 8 (5.4) | 6 (8.1) | 0 (0) | 2 (9.1) | 0.095 | |
Disposition (%) | < 0.001 | |||||
Discharge | 94 (63.1) | 50 (67.6) | 39 (73.6) | 5 (22.7) | ||
Observation | 20 (13.4) | 10 (13.5) | 8 (15.1) | 2 (9.1) | ||
Admission | 35 (23.5) | 14 (18.9) | 6 (11.3) | 15 (68.2) | ||
Events within 31 days (%) | ||||||
Representation | 10 (6.7) | 4 (5.4) | 1 (1.9) | 5 (22.7) | 0.004 | |
Surgery | 3 (0.20) | 0 (0) | 1 (1.9) | 2 (9.1) | 0.029 | |
