RA/LA volume ratio | n/N | OR (95% CI) | p-value | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) |
≥1.0 | 60/499 | 1.71 (0.80–3.69) | 0.172 | 88 (78–94) | 19 (15–22) | 12 (9–15) | 93 (86–96) |
≥1.2 | 50/382 | 1.73 (1.00–3.05) | 0.057 | 74 (62–83) | 38 (34–43) | 13 (10–17) | 92 (88–95) |
≥1.4 | 43/286 | 2.10 (1.24–3.53) | 0.005 | 63 (51–74) | 55 (51–59) | 15 (11–20) | 92 (89–95) |
≥1.6 | 37/207 | 2.59 (1.56–4.32) | <0.001 | 54 (43–66) | 68 (64–72) | 18 (13–24) | 92 (89–94) |
≥1.8 | 32/152 | 3.10 (1.85–5.21) | <0.001 | 47 (36–59) | 78 (74–81) | 21 (15–28) | 92 (89–94) |
≥2.0 | 22/118 | 2.21 (1.27–3.84) | 0.005 | 32 (22–44) | 82 (79–85) | 19 (13–27) | 91 (88–93) |
≥2.2 | 18/91 | 2.30 (1.27–4.16) | 0.006 | 26 (17–38) | 86 (83–89) | 20 (13–29) | 90 (87–93) |
≥2.4 | 16/63 | 3.22 (1.71–6.08) | <0.001 | 24 (15–35) | 91 (89–93) | 25 (16–37) | 90 (88–93) |
≥2.6 | 13/45 | 3.75 (1.86–7.56) | <0.001 | 19 (12–30) | 94 (92–96) | 29 (18–43) | 90 (87–92) |
n: patients with an in-hospital adverse outcome; N: patients with positive finding; PPV: positive predictive value; NPV: negative predictive value. Bold indicates p<0.05.