Table 1.

Characteristics of singleinjury and multiple-injury patients.

Characteristics		Admitted (n = 1,871)	Single injury (n = 810)	Multiple injuries (n = 1,061)
Demographics
Sex, no.* (%)
	Female	936 (50.1)	402 (49.6)	534 (50.4)
	Male	934 (49.9)	408 (50.4)	526 (49.6)
Age, no.† (%)
	≤15	204 (10.9)	64 (7.9)	140 (13.3)
	> 15 to 65	1,305 (69.9)	575 (71.0)	730 (69.1)
	> 65	357 (19.1)	171 (21.1)	186 (17.6)
Marital status, no.‡ (%)
	Single	54 (3.4)	24 (3.4)	30 (3.5)
	Married	1,506 (95.9)	676 (96.2)	830 (95.7)
	Divorced	1 (0.1)	0 (0.0)	1 (0.1)
	Widowed	9 (0.6)	3 (0.4)	6 (0.7)
Occupation, no.§ (%)
	Farmer	1016 (54.4)	464 (57.3)	552 (52.1)
	Worker	16 (0.9)	9 (1.1)	7 (0.7)
	Officer	409 (21.9)	161 (19.9)	248 (23.4)
	Student	240 (12.8)	85 (10.5)	155 (14.6)
	Other	188 (10.1)	91 (11.2)	97 (9.2)
Cause of injury
Due to main earthquake or aftershock?¶
	Main shock	1,655 (88.7)	689 (85.6)	966 (91.1)
	Aftershock	210 (11.3)	116 (14.4)	94 (8.9)
Directly or indirectly caused by the earthquake?**
	Direct	1,844 (99.4)	796 (98.9)	1,048 (99.8)
	Indirect	11 (0.6)	9 (1.1)	2 (0.2)
Transfer of patients
Was the patient transferred to another hospital?
	Yes	320 (17.1)	99 (12.2)	221 (20.8)
	No	1,551 (82.9)	711 (87.8)	840 (79.2)

*One observation with missing data in the multiple-injuries group. †Five observations with missing data in the multiple-injuries group. ‡Includes only those patients in marriage age - 22 years-old in males, 20 years-old in females. Nine observations with missing data, one in the single-injury group, and eight in the multiple-injuries group. §Two observations with missing data in the multiple-injuries group. ¶Six observations with missing data, five in the single-injury group, and one in the multiple-injuries group. ** Sixteen observations with missing data, five in the single-injury group and eleven in the multiple-injuries group