Table 3.

Sensitivity and Specificity for SaFETy Score Thresholds Between 1 and 10 in the Validation Set

Threshold	Sensitivity, n/N (%) (95% CI)	Specificity, n/N (%) (95% CI)
1	61/63 (96.8 [88.0–99.4])	9/58 (15.5 [7.8–27.9])
2	53/63 (84.1 [72.3–91.7])	27/58 (46.6 [33.5–60.0])
3	43/63 (68.3 [55.2–79.1])	36/58 (62.1 [48.3–74.2])
4	36/63 (57.1 [44.1–69.3])	40/58 (69.0 [55.3–80.1])
5	32/63 (50.8 [38.0–63.5])	48/58 (82.8 [70.1–91.0])
6	19/63 (30.2 [19.6–43.2])	55/58 (94.8 [84.7–98.7])
7	7/63 (11.1 [5.0–22.2])	57/58 (98.3 [89.5–100.0])
8	6/63 (9.5 [3.9–20.2])	58/58 (100.0 [92.3–100.0])
9	6/63 (9.5 [3.9–20.2])	58/58 (100.0 [92.3–100.0])
10	5/63 (6.3 [2.1–16.3])	58/58 (100.0 [92.3–100.0])

SaFETy = Serious fighting, Friend weapon carrying, community Environment, and firearm Threats.