Predictive Capability of DACS Parameters for Abnormal Results Compared with Conventional GES
| DACS grouping by… | Overall (n = 121) | Conventional GES results | P* | Raw odds ratio† | 95% CI | |
|---|---|---|---|---|---|---|
| Abnormal (n = 53) | Normal (patients + healthy volunteers) (n = 68) | |||||
| Percentage total, 30 min | 0.001 | |||||
| Abnormal, <31% or >63% | 30 (27.5%) | 21 (43.8%) | 9 (14.8%) | 4.49 | 1.81–11.15 | |
| Normal, 31%–63% | 79 (72.5%) | 27 (56.3%) | 52 (85.2%) | Reference | ||
| Percentage total, 60 min | 0.17 | |||||
| Abnormal, <19% or >62% | 9 (7.6%) | 6 (11.8%) | 3 (4.5%) | 2.84 | 0.68–11.97 | |
| Normal, 19%–62% | 109 (92.4%) | 45 (88.2%) | 64 (95.5%) | Reference | ||
| Percentage total, 120 min | 0.21 | |||||
| Abnormal, <32% or >61% | 34 (35.1%) | 21 (41.2%) | 13 (28.3%) | 1.78 | 0.76–4.16 | |
| Normal, 32%–61% | 63 (64.9%) | 30 (58.8%) | 33 (71.7%) | Reference | ||
| Proximal-to-distal ratio, 30 min | 1.00 | |||||
| Abnormal, <0.36 or >6.62 | 7 (6.4%) | 3 (6.3%) | 4 (6.6%) | 0.95 | 0.20–4.46 | |
| Normal, 0.36–6.62 | 102 (93.6%) | 45 (93.8%) | 57 (93.4%) | Reference | ||
| Proximal-to-distal ratio, 60 min | 0.017 | |||||
| Abnormal, <0.88 or >3.15 | 39 (33.3%) | 23 (46.0%) | 16 (23.9%) | 2.72 | 1.23–5.99 | |
| Normal, 0.88–3.15 | 78 (66.7%) | 27 (54.0%) | 51 (76.1%) | Reference | ||
| Proximal-to-distal ratio, 120 min | 0.83 | |||||
| Abnormal, <1.25 or >6.38 | 37 (38.9%) | 20 (40.8%) | 17 (37.0%) | 1.18 | 0.51–2.69 | |
| Normal, 1.25–6.38 | 58 (61.1%) | 29 (59.2%) | 29 (63.0%) | Reference | ||
| EF, 30 min | 0.48 | |||||
| Abnormal, <14% or >36% | 25 (24.8%) | 12 (29.3%) | 13 (21.7%) | 1.50 | 0.60–3.72 | |
| Normal, 14%–36% | 76 (75.2%) | 29 (70.7%) | 47 (78.3%) | Reference | ||
| EF, 60 min | 0.011 | |||||
| Abnormal, <19% or >40% | 24 (22.6%) | 16 (34.8%) | 8 (13.3%) | 3.47 | 1.33–9.06 | |
| Normal, 19%–40% | 82 (77.4%) | 30 (65.2%) | 52 (86.7%) | Reference | ||
| EF, 120 min | 0.26 | |||||
| Abnormal, <11% or >41% | 15 (18.3%) | 10 (23.3%) | 5 (12.8%) | 2.06 | 0.64–6.68 | |
| Normal, 11%–41% | 67 (81.7%) | 33 (76.7%) | 34 (87.2%) | Reference | ||
| Frequency, 30 min | 0.047 | |||||
| Abnormal, <2.67 or >3.33 | 11 (10.9%) | 8 (19.5%) | 3 (5.0%) | 4.61 | 1.14–18.57 | |
| Normal, 2.67–3.33 | 90 (89.1%) | 33 (80.5%) | 57 (95.0%) | Reference | ||
| Frequency, 60 min | 0.32 | |||||
| Abnormal, <2.76 or >3.48 | 10 (9.4%) | 6 (13.0%) | 4 (6.7%) | 2.10 | 0.56–7.93 | |
| Normal, 2.76–3.48 | 96 (90.6%) | 40 (87.0%) | 56 (93.3%) | Reference | ||
| Frequency, 120 min | 1.00 | |||||
| Abnormal, <2.42 or >3.20 | 11 (13.4%) | 6 (14.0%) | 5 (12.8%) | 1.10 | 0.31–3.95 | |
| Normal, 2.42–3.20 | 71 (86.6%) | 37 (86.0%) | 34 (87.2%) | Reference | ||