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Table 5 Characteristics of the prediction of mortality by the qSOFA and Rockall preendoscopic scores

From: Quick SOFA vs Rockall preendoscopy scores for risk assessment in patients with nonvariceal upper gastrointestinal bleeding: a retrospective cohort study

Score Se, %, (95% CI) Sp, %, (95% CI) +LR (95% CI) −LR (95% CI) +PV, %, (95% CI) −PV, %, (95% CI) Youden’s index
qSOFA score
 ≥ 0 100.0 (87.7–100.0) 0.0 (0.0–1.9) 1.0 (1.0–1.0) 12.8 (8.7–18.0) 0.000
 ≥ 1a 82.1 (63.1–93.9) 73.7 (66.8–79.8) 3.1 (2.3–4.2) 0.2 (0.1–0.5) 31.5 (21.1–43.4) 96.6 (92.1–98.9) 0.558
 ≥ 2 57.1 (37.2–75.5) 93.7 (89.2–96.7) 9.1 (4.8–17.1) 0.5 (0.3–0.7) 57.1 (37.2–75.5 93.7 (89.2–96.7) 0.508
 3 28.6 (13.2–48.7) 99.5 (97.1–100.0) 54.3 (7.1–417.8) 0.7 (0.6–0.9) 88.9 (51.8–99.7) 90.4 (85.6–94.1) 0.281
Rockall preendoscopic score
 ≥ 0 100.0 (87.7–100.0) 0.0 (0.0–1.9) 1.0 (1.0–1.0) 12.8 (8.7–18.0) 0.000
 ≥ 1 100.0 (87.7–100.0) 23.7 (17.8–30.4) 1.3 (1.2–1.4) 0.0 (0.0–0.0) 16.2 (11.0–22.5) 100.0 (92.1–100.0) 0.237
 ≥ 2 100.0 (87.7–100.0) 44.2 (37.0–51.6) 1.8 (1.6–2.0) 0.0 (0.0–0.0) 20.9 (14.4–28.8) 100.0 (95.7–100.0) 0.442
 ≥ 3 92.9 (76.5–99.1) 61.1 (53.7–68.0) 2.4 (1.9–2.9) 0.12 (0.0–0.4) 26.0 (17.7–35.7) 98.3 (94.0–99.8) 0.540
 ≥ 4 92.9 (76.5–99.1) 77.9 (71.3–83.6) 4.2 (3.2–5.6) 0.1 (0.0–0.3) 38.2 (26.7–50.8) 98.7 (95.3–99.8) 0.708
 ≥ 5a 82.1 (63.1–93.9) 92.6 (87.9–95.9) 11.2 (6.5–19.0) 0.2 (0.1–0.4) 62.2 (44.8–77.5) 97.2 (93.7–99.1) 0.748
 ≥ 6 42.9 (24.5–62.8) 99.0 (96.2–99.9) 40.7 (9.6–172.4) 0.6 (0.4–0.8) 85.7 (57.2–98.2) 92.2 (87.6–95.5) 0.419
 7 14.3 (4.0–32.7) 100.0 (98.1–100.0) 0.9 (0.7–1.0) 100.0 (39.8–100.0) 88.8 (83.8–92.7) 0.143
  1. qSOFA quick Sequential Organ Failure Assessment, Se sensitivity, Sp specificity, +LR likelihood ratio for positive results, −LR likelihood ratio for negative results, +PV positive predictive value, −PV negative predictive value, CI confidence interval
  2. aThe optimal cutoff points for the scores were estimated with the Youden J statistics