The Korean Journal of Healthcare-Associated Infection Control and Prevention

Table. 1. Table 1

Baseline characteristics of healthcare workers diagnosed as active tuberculosis (n=30)

Characteristics	Total (N=30)	symptomatic HCW (N=20)	Asymptomatic HCW (N=10)	P-value
Age, mean years (±SD)	31.7 (±7.98)	31.65 (±8.77)	31.80 (±6.55)	0.962
20-29	14 (46.7%)	11 (55%)	3 (30%)	0.196
30-39	11 (36.7%)	5 (25%)	6 (60%)	0.061
40-49	4 (13.3%)	3 (15%)	1 (10%)	0.704
50-59	1 (3.3%)	1 (5%)	0 (0%)	0.472
Sex
Female	25 (83.3%)	16 (80%)	9 (90%)	0.488
Body mass index (BMI) (±SD)	20.89 (±1.78)	20.98 (±1.62)	20.72 (±2.16)	0.726
Smoking
Never smoker	28 (93.3%)	18 (90%)	10 (100%)	0.301
Current smoker	2 (6.7%)	2 (10%)	0 (0%)	0.301
Profession
Nurse	17 (56.7%)	11 (55%)	6 (60%)	0.794
Physician	7 (23.3%)	4 (20%)	3 (30%)	0.542
Technician	4 (13.3%)	3 (15%)	1 (10%)	0.704
Health aid	2 (6.7%)	2 (10%)	0 (0%)	0.301
Work duration, mean months (±SD)	52.69 (±52.57)	34.94 (±35.04)	86.22 (±65.16)	0.015
Comorbidities
Hypertension	0 (0%)	0 (0%)	0 (0%)	0
Diabetes mellitus	0 (0%)	0 (0%)	0 (0%)	0
Rheumatologic disease	1 (3.3%)	1 (5%)	0 (0%)	0.472
History of latent Tuberculosis	2 (6.7%)	2 (10%)	0 (0%)	0.301
Chest image finding
Old scar	5 (16.7%)	2 (10%)	3 (30%)	0.166
Active lung lesion	25 (83.3%)	18 (90%)	7 (70%)	0.166
Symptomes
Cough≥3 weeks	11 (36.7%)	11 (55%)	0 (0%)	0.003
Hemoptysis	2 (6.7%)	2 (10%)	0 (0%)	0.301
Sputum	8 (26.7%)	8 (40%)	0 (0%)	0.02
Fever	4 (13.3%)	4 (20%)	0 (0%)	0.129
Night sweating	1 (3.3%)	1 (5%)	0 (0%)	0.472
Loss of weight	2 (6.7%)	2 (10%)	0 (0%)	0.301
Chest discomfort	3 (10%)	3 (15%)	0 (0%)	0.197
Contact with active TB patients	2 (6.7%)	2 (10%)	0 (0%)	0.301

Abbreviations: HCW, Healthcare worker; SD, standard deviation; AST, aspartate transaminase; ALT, alanine aminotransferase.

Korean J healthc assoc Infect Control Prev 2021;26:89~95 https://doi.org/10.14192/kjicp.2021.26.2.89