Table 1.
Principal clinical and process features of OBI and non-OBI groups.
| OBI N (%) |
Mean (95% IC) |
Non-OBI N (%) |
Mean (95% CI) |
p | |
|---|---|---|---|---|---|
| Sex | |||||
| Men | 283 (50.4%) | - | 178 (49.7%) | - | |
| Women | 279 (49.6%) | - | 180 (50.3%) | - | 0.851 a |
| Age (years) | |||||
| Men | 283 (50.4%) | 79.2 (78.0–80.4) | 178 (49.7%) | 77.0 (75.1–78.9) | 0.046 b |
| Women | 279 (49.6%) | 81.8 (80.7–83.0) | 180 (50.3%) | 82.2 (80.8–83.5) | 0.719 b |
| All | 562 (100%) | 80.5 (79.7–81.4) | 358 (100%) | 79.6 (78.4–80.8) | 0.214 b |
| Arrhythmia | |||||
| Yes | 32 (5.7%) | - | 17 (4.8%) | - | |
| No | 530 (94.3%) | - | 341 (95.2%) | - | |
| All | 562 (100%) | - | 358 (100%) | - | 0.534 a |
| HR (bpm) | |||||
| Men | 283 (50.4%) | 88.6 (86.1–91.1) | 178 (49.7%) | 84.4 (81.1–87.6) | 0.041 b |
| Women | 279 (49.6%) | 88.7 (85.7–91.6) | 180 (50.3%) | 88.6 (85.3–91.9) | 0.992 b |
| All | 562 (100%) | 88.6 (86.7–90.5) | 358 (100%) | 86.6 (84.2–88.9) | 0.180 b |
| SBP (mmHg) | |||||
| Men | 283 (50.4%) | 141.1 (137.9–144.4) | 178 (49.7%) | 137.5 (133.4–141.6) | 0.173 b |
| Women | 279 (49.6%) | 143.0 (139.9–146.1) | 180 (50.3%) | 141.8 (137.9–145.7) | 0.644 b |
| All | 562 (100%) | 142.1 (139.8–144.3) | 358 (100%) | 139.7 (136.8–142.5) | 0.197 b |
| SBP > 180 mmHg | |||||
| Men | 21 (7.4%) | 199.9 (191.4–208.5) | 9 (5.1%) | 198.7 (186.3–211.1) | 0.865 b |
| Women | 21 (7.5%) | 195.1 (191.4–198.7 | 11 (6.1%) | 197.9 (187.8–208.0) | 0.484 b |
| All | 42 (7.5%) | 197.5 (193.0–202.0) | 20 (5.6%) | 198.3 (191.2–205.3) | 0.847 b |
| DBP (mmHg) | |||||
| Men | 283 (50.4%) | 79.7 (77.8–81.6) | 178 (49.7%) | 78.5 (76.2–80.9) | 0.447 b |
| Women | 279 (49.6%) | 79.4 (77.4–81.5) | 180 (50.3%) | 77.2 (74.7–79.7) | 0.185 b |
| All | 562 (100%) | 79.5 (78.2–80.9) | 358 (100%) | 77.8 (76.1–79.6) | 0.134 b |
| DBP > 110 mmHg | |||||
| Men | 6 (2.1%) | 125.8 (114.6–137.1) | 6 (3.4%) | 120.0 (114.3–125.8) | 0.262 b |
| Women | 9 (3.2%) | 119.7 (116.2–123.2) | 6 (3.3%) | 119.3 (112.6–126.0) | 0.907 b |
| All | 15 (2.7%) | 122.1 (117.8–126.5) | 12 (3.4%) | 119.7 (116.1–123.3) | 0.372 b |
| SatO2 | |||||
| Men | 283 (50.4%) | 94.4 (93.8–95.0) | 178 (49.7%) | 94.2 (93.2–95.2) | 0.741 b |
| Women | 279 (49.6%) | 94.0 (93.3–94.7) | 180 (50.3%) | 94.3 (93.3–95.2) | 0.670 b |
| All | 562 (100%) | 94.2 (93.7–94.7) | 358 (100%) | 94.2 (93.6–94.9) | 0.943 b |
| SatO2 < 85% | |||||
| Men | 14 (4.9%) | 78.8 (75.0–82.5) | 8 (4.5%) | 72.6 (65.6–79.6) | 0.068 b |
| Women | 18 (6.5%) | 77.9 (75.0–80.8) | 9 (5.0%) | 75.8 (70.2–81.4) | 0.421 b |
| All | 32 (5.7%) | 78.3 (76.1–80.5) | 17 (4.8%) | 74.3 (70.3–78.3) | 0.052 b |
| Priority Code–Access | |||||
| Green | 109 (19.4%) | - | 103 (28.8%) | - | |
| Yellow | 387 (68.9%) | - | 212 (59.2%) | - | |
| Red | 66 (11.7%) | - | 43 (12.0%) | - | 0.004 a |
| Priority Code–Discharge | |||||
| Green | 221 (39.3%) | - | 121 (33.8%) | - | |
| Yellow | 332 (59.1%) | - | 217 (60.6%) | - | |
| Red | 9 (1.6%) | - | 20 (5.6%) | - | 0.001 a |
| Wait time (min) | |||||
| Men | 283 (50.4%) | 50.6 (43.8–57.3) | 178 (49.7%) | 60.5 (49.5–71.6) | 0.108 b |
| Women | 279 (49.6%) | 50.6 (44.1–57.0) | 180 (50.3%) | 58.8 (49.5–68.0) | 0.141 b |
| All | 562 (100%) | 50.6 (45.9–55.2) | 358 (100%) | 59.6 (52.5–66.8) | 0.029 b |
| Process time (min) | |||||
| Men | 283 (50.4%) | 578.5 (533.3–623.6) | 178 (49.7%) | 306.1 (265.9–346.3) | <0.001 b |
| Women | 279 (49.6%) | 634.2 (587.2–681.1) | 180 (50.3%) | 348.8 (304.6–392.9) | <0.001 b |
| All | 562 (100%) | 606.1 (573.6–638.7) | 358 (100%) | 327.6 (297.7–357.4) | <0.001 b |
| Total time (min) | |||||
| Men | 283 (50.4%) | 607.9 (560.3–655.4) | 178 (49.7%) | 350.9 (312.0–389.8) | <0.001 b |
| Women | 279 (49.6%) | 642.9 (593.5–692.3) | 180 (50.3%) | 402.9 (358.7–447.0) | <0.001 b |
| All | 562 (100%) | 625.3 (591.1–659.5) | 358 (100%) | 377.0 (347.6–406.5) | <0.001 b |
HR: Heart rate; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; Sat02: Oxygen saturation. a: χ2 test; b: Student’s t-test, OBI: brief intensive observation.