Table 8.

The performance of three or more total and any displaced rib fracture, TTSS and Ribscore in prediction of complication

	Patient with complication	Patient without complication	Sensitivity (95% CI )	Specificity (95% CI )	PPV (95% CI )	NPV (95% CI )	OR (95% CI )
Three or more rib fracture or any displacement	102	45	94.4% (88–98%)	31.8% (21–44%)	69.4% (61–77%)	77.8% (58–91%)	7.93 (3–20.99)
TTSS > 4	86	22	79.6% (71–87%)	66.7% (54–78%)	79.6% (71–87%)	67% (54–78%)	7.82 (3.91–15.6)
TTSS > 7	41	0	38% (29–48%)	100% (95–100%)	100% (91–100%)	49.6% (41–58%)	NA
Ribscore >0	81	17	75% (66–83%)	74.2% (62–84%)	82.7% (74–90%)	64.5% (52.7–75.1%)	8.65 (4.28–17.46)
Ribscore > 1	35	1	32.4% (24–43%)	98.5% (92–100%)	97.2% (85–100%)	47.1% (39–56%)	31.16 (4.15–233.91)