Table 4 –

Prevalence and accuracy of specific injury characteristics.

	Prevalence (%)		Accuracy (%)	Kappa (95%CIa)	Agreement
	Burn registry	Administrative data
≥10% TBSAb	41	40	93	0.85 (0.82–0.88)	Excellent
≥20% TBSAb	20	21	96	0.88 (0.84–0.91)	Excellent
≥10% full-thickness TBSAb	17	23	83	0.46 (0.40–0.52)	Moderate
Inhalation injury	16	7	90	0.54 (0.47–0.61)	Moderate
Mechanism			88	0.84 (0.81–0.87)	Excellent
Flame	61	60	92
Contact	32	34	93
Electrical	7	6	98
%TBSAb			87
0–10	58	60	92	0.83 (0.80–0.86)	Excellent
11–20	21	19	92	0.74 (0.70–0.79)	Substantial
21–30	9	10	96	0.77 (0.70–0.83)	Substantial
31–40	4	4	98	0.77 (0.68–0.87)	Substantial
41–50	3	3	99	0.73 (0.60–0.86)	Substantial
51–60	2	2	99	0.72 (0.57–0.86)	Substantial
61–70	1	2	99	0.58 (0.38–0.78)	Moderate
71–80	0.9	0.8	99.5	0.70 (0.47–0.93)	Substantial
81–90	0.3	0.7	99.7	0.67 (0.36–0.97)	Moderate
>90	0.7	0.5	99.8	0.86 (0.66–1)	Excellent

^aCI, confidence interval.

^bTBSA, total body surface area.