Table 1.

Demographics and clinical characteristics of study participants and nonparticipants

	Participants N = 112	Nonparticipants N = 292	P
Sex, n (%)
Male	68 (60.8)	170 (58.2)	.65
Female	44 (39.2)	122 (41.8)
Age, median (IQR)
At time of burn	2.0 (1.0–10.0)	2.0 (1.0–6.0)	.70
At time of study	8.0 (6.0–15.0)	8.0 (6.0–12.0)	.92
Time since burn, mean (SD)	7.0 (2.3)	–	–
% TBSA, median (IQR)	10.5 (5.0–15.0)	10.0 (4.0–13.8)	.16
% TBSA, n (%)
≤10% TBSA	55 (49.1)	156 (53.4)	.89
10% ≤ 19% TBSA	43 (38.4)	100 (34.2)
20% ≤ 29% TBSA	7 (6.2)	21 (7.2)
30% ≤ 39% TBSA	4 (3.6)	9 (3.1)
40% ≤ 72% TBSA	3 (2.7)	6 (2.1)
% Full-thickness burn, median (IQR)	0.0 (0.0–0.5)	0.0 (0.0–0.5)	.80
% Full-thickness burn, n (%)
≤10% TBSA	109 (97.3)	272 (93.2)	.17
10% ≤ 19% TBSA	0 (0.0)	10 (3.4)
20% ≤ 29% TBSA	0 (0.0)	5 (1.7)
30% ≤ 39% TBSA	1 (0.9)	1 (0.3)
40% ≤ 72% TBSA	2 (1.8)	4 (1.4)
Etiology, n (%)
Scald	67 (59.9)	200 (68.5)	.28
Flame	17 (15.2)	28 (9.6)
Flash fire	12 (10.7)	23 (7.9)
Fat	12 (10.7)	26 (8.9)
Contact	4 (3.6)	6 (2.1)
Other	0 (0.0)	7 (2.4)
Length of stay in days, median (IQR)	12 (5.0-21.0)	11 (4.0–21.0)	.39
Nutrition support, n (%)
Nasogastric tube	41 (36.6%)	–	–
Percutaneous endoscopic gastronomy	1 (0.9%)	–
Parenteral nutrition	1 (0.9%)	–
Therapeutic agents, n (%)
Anabolic agents	0 (0.0%)	–	–
Hormonal therapies	0 (0.0%)	–
Beta-blockade	1 (0.9%)	–
Mechanical ventilation, n (%)
Yes	10 (8.9)	6 (2.1)	.001
No	102 (91.1)	285 (97.9)
Number of surgeries, median (IQR)	0 (0.0–1.0)	1 (0.0–1.0)	.15
Excision and skin grafting, n (%)
Yes	59 (52,7)	–	–
No	53 (47.3)	–
Amputation, n (%)
Yes	0 (0.0)	–	–
No	112 (100.0)	–
Reconstructive surgery, n (%)
Yes	12 (10.7)	22 (7.6)	.29
No	100 (89.3)	269 (92.4)

N, Number; IQR, Interquartile range; SD, Standard deviation; TBSA, Total body surface area.