Table 2. Demographic and clinical characteristics of the patients.
| Characteristics | Total n = 223 (%) | Patients infected with MDR isolates n = 137 (%) | Patients infected with XDR isolates n = 49 (%) | Patients infected with PDR isolates n = 4 (%) | Patients infected with other types of isolates n = 33 (%) | P value |
| Gender | 0.991 | |||||
| Male | 164 (73.5) | 101 (73.7) | 35 (71.4) | 4 (100) | 24 (72.7) | |
| Female | 59 (26.5) | 36 (26.3) | 14 (28.6) | 0 | 9 (27.3) | |
| Age group, years | 0.400 | |||||
| <18 | 7 (3.1) | 6 (4.4) | 0 | 0 | 1 (3.0) | |
| 18–64 | 64 (28.7) | 39 (28.5) | 11 (22.4) | 2 (50.0) | 12 (36.4) | |
| >64 | 152 (68.2) | 92 (67.2) | 38 (77.6) | 2 (50.0) | 20 (60.6) | |
| Residence situation | 0.862 | |||||
| Beijing resident | 68 (30.5) | 40 (29.2) | 17 (34.7) | 0 | 11 (33.3) | |
| Non-Beijing resident | 155 (69.5) | 97 (70.8) | 32 (65.3) | 4 (100.0) | 22 (66.7) | |
| Hospital location | 0.199 | |||||
| Emergency room | 9 (4.0) | 7 (5.1) | 2 (4.1) | 0 | 0 | |
| Intensive care unit | 75 (33.6) | 51 (37.2) | 17 (34.7) | 0 | 7 (21.2) | |
| Medical ward | 97 (43.5) | 59 (43.1) | 18 (36.7) | 2 (50.0) | 18 (54.5) | |
| Surgical ward | 42 (18.8) | 20 (14.6) | 12 (24.5) | 2 (50.0) | 8 (24.2) | |
| Sources of specimens | 0.187 | |||||
| Sputum | 168 (75.3) | 108 (78.8) | 34 (69.4) | 3 (75.0) | 23 (69.7) | |
| Urine | 14 (6.3) | 7 (5.1) | 7 (14.3) | 0 | 0 | |
| Throat or nose swabs | 21 (9.4) | 11 (8.0) | 2 (4.1) | 0 | 8 (24.2) | |
| Catheters | 3 (1.3) | 2 (1.5) | 1 (2.0) | 0 | 0 | |
| Blood | 10 (4.5) | 4 (2.9) | 3 (6.1) | 1(25.0) | 2 (6.1) | |
| Puncture fluid | 1 (0.4) | 1 (0.7) | 0 | 0 | 0 | |
| Drainage fluid | 1 (0.4) | 1 (0.7) | 0 | 0 | 0 | |
| Pleural effusion | 2 (0.9) | 1 (0.7) | 1 (2.0) | 0 | 0 | |
| Plus | 1 (0.4) | 1 (0.7) | 0 | 0 | 0 | |
| Bile | 2 (0.9) | 1 (0.7) | 1 (2.0) | 0 | 0 | |
| ESBL | <0.001 | |||||
| Positive | 101 (45.3) | 54 (39.4) | 42 (85.7) | 4(100.0) | 1 (3.0) | |
| Negative | 122 (54.7) | 83 (60.6) | 7 (14.3) | 0 | 32 (97.0) |