Table 2.

Patient demographics and injury characteristics

	All	TBSA groups
		<20%	20–40%	>40%
	N	N (%)	N (%)	N (%)
Patients, number	659	320 (48.6%)	232 (35.3%)	107 (16.2%)
Contractures, number	6228	2406 (38.6%)	2203 (35.4%)	1619 (26.0%)
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Age, yr	41.4 ± 14.7	42.7 ± 15.6	42.0 ± 14.6	36.1 ± 10.4
TBSA burn injury, percent	24.0 ± 17.8	10.0 ± 5.5	28.8 ± 6.5	55.6 ± 11.1
TBSA grafted, percent	12.8 ± 12.9	5.5 ± 4.2	14.3 ± 9.3	30.6 ± 17.1
OR trips, number	2.3 ± 2.2	1.4 ± 1.3	2.5 ± 2.0	4.8 ± 2.7
Acute hospitalization LOS, days	31.9 ± 24.7	19.8 ± 14.2	36.0 ± 23.3	58.9 ± 28.1
Rehabilitation LOS of patients admitted to rehabilitation, days	26.2 ± 17.1	24.3 ± 22.8	21.9 ± 12.1	31.1 ± 18.7
	N (%)	N (%)	N (%)	N (%)
Admissions to rehabilitation	97 (14.7%)	12 (3.8%)	43 (18.5%)	42 (39.3%)
Gender
Male	524 (79.5%)	243 (75.9%)	195 (84.1%)	86 (80.4%)
Female	135 (20.5%)	77 (24.1%)	37 (16.0%)	21 (19.6%)
Ethnicity
White non-Hispanic	428 (65.2%)	184 (57.5%)	168 (72.4%)	76 (71.0%)
Black non-Hispanic	125 (19.1%)	77 (24.1%)	37 (16.0%)	11 (10.3%)
Hispanic	73 (11.1%)	37 (11.6%)	20 (8.6%)	16 (15.0%)
Native American	12 (1.8%)	7 (2.2%)	3 (1.3%)	2 (1.9%)
Other	18 (2.7%)	12 (3.8%)	4 (1.7%)	2 (1.9%)
Etiology of burn
Fire/flame	440 (67.1%)	162 (50.8%)	180 (78.3%)	98 (91.6%)
Scald	48 (7.3%)	35 (11.0%)	10 (4.3%)	3 (2.8%)
Grease	41 (6.3%)	35 (11.0%)	6 (2.6%)	0 (0%)
Electricity	36 (5.5%)	24 (7.5%)	11 (4.8%)	1 (0.9%)
Flash	35 (5.3%)	15 (4.7%)	17 (7.4%)	3 (2.8%)
Hot object	23 (3.5%)	22 (6.9%)	1 (0.4%)	0 (0%)
Chemical	14 (2.1%)	12 (3.8%)	1 (0.4%)	1 (0.9%)
Tar	10 (1.5%)	8 (2.5%)	2 (0.9%)	0 (0%)
Other	9 (1.4%)	6 (1.9%)	2 (0.9%)	1 (0.9%)

OR, operating room; SD, standard deviation