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. 2024 Sep 13;66(1):16–24. doi: 10.3349/ymj.2024.0048

Table 1. Baseline Characteristics of Patients Who Were NE and LTFU.

Total (n=1083) NE (n=353) LTFU (n=730) p value
Age (yr) 48.5±16.0 50.5±16.3 47.5±15.8 <0.001
Age group 0.003
≤24 years 70 (6.5) 15 (4.3) 55 (7.5)
25–34 years 158 (14.6) 44 (12.5) 114 (15.6)
35–44 years 215 (19.9) 74 (21.0) 141 (19.3)
45–54 years 287 (26.5) 85 (24.1) 202 (22.7)
55–64 years 176 (16.3) 56 (15.9) 120 (16.4)
65–74 years 88 (8.1) 42 (11.9) 46 (6.3)
≥75 years 89 (8.2) 37 (10.5) 52 (7.1)
Gender 0.007
Female 261 (34.1) 103 (29.2) 158 (21.6)
Male 822 (75.9) 250 (70.8) 572 (78.4)
Resident region 0.002
Metropolitan 538 (49.7) 151 (42.8) 387 (53.0)
Others 545 (50.3) 202 (57.2) 343 (47.0)
Nationality <0.001
Korean 929 (85.8) 326 (92.4) 603 (82.6)
Immigrant 154 (14.2) 27 (7.7) 127 (17.4)
Household incomes 0.001
0 (lowest) 162 (15.0) 53 (15.0) 109 (14.9)
1 216 (19.9) 64 (18.1) 152 (20.8)
2 243 (22.4) 60 (17.0) 183 (25.1)
3 220 (20.3) 71 (20.1) 149 (20.4)
4 135 (12.5) 59 (16.7) 76 (10.4)
5 (highest) 107 (9.9) 46 (13.0) 61 (8.4)
Treatment history 0.089
New 491 (45.3) 147 (41.6) 344 (47.1)
Previously treated 592 (54.7) 206 (58.4) 386 (52.9)
Lesion site 0.090
Pulmonary 1063 (98.2) 350 (99.2) 713 (97.7)
Extra-pulmonary 20 (1.8) 3 (0.9) 17 (2.3)
Notifying institution 1 0.923
PPM 315 (29.1) 102 (28.9) 213 (29.2)
Non-PPM 768 (70.9) 251 (71.1) 517 (70.8)
Notifying institution 2 0.172
Health center 115 (10.6) 31 (8.8) 84 (11.5)
Private institution 968 (89.4) 322 (91.2) 646 (88.5)
Smear 0.507
Positive 591 (54.6) 184 (52.1) 407 (55.8)
Negative 431 (39.8) 147 (41.6) 284 (38.9)
ND/unknown 61 (5.6) 22 (6.2) 39 (5.3)
Culture <0.001
Positive 737 (68.1) 213 (60.3) 524 (71.8)
Negative 120 (11.1) 43 (12.2) 77 (10.6)
ND/unknown 226 (20.9) 97 (27.5) 129 (17.7)
Resistance pattern <0.001
RR 75 (6.9) 17 (4.8) 58 (8.0)
MDR 816 (75.3) 240 (68.0) 576 (78.9)
Pre-XDR (SLID) 22 (2.0) 2 (0.6) 20 (2.7)
Pre-XDR (FQ) 43 (4.0) 20 (5.7) 23 (3.2)
XDR 127 (11.7) 74 (21.0) 53 (7.3)
Comorbidity
Diabetes mellitus 217 (20.0) 81 (23.0) 136 (18.6) 0.096
Cancer 19 (1.8) 5 (1.4) 14 (1.9) 0.556
Time to outcome (days) 274 [106–471] 99 [13–227] 319 [188–518] <0.001

NE, not evaluated; LTFU, lost to follow-up; PPM, public-private mix; ND, not done; RR, rifampin resistance; MDR, multidrug resistance; SLID, second-line injectable drug; FQ, fluoroquinolone; XDR, extensively drug-resistant; IQR, interquartile range.

Data are presented as mean±standard deviation, n (%), or median [IQR].