Screening amount and positive gonorrhoea cases detected in the 40 hospitals, 10 cities from 2014 to 2017, a retrospective study
| Test method | 2014 | 2015 | 2016 | 2017 | χ2 (p) |
| Smear* | |||||
| No. of tests (%) | 88 879 (57.1) | 76 202 (44.4) | 74 784 (40.8) | 97 774 (46.5) | 3607.0 (<0.001) |
| No. of positive cases (%) | 2389 (48.0) | 2546 (46.1) | 3185 (42.4) | 5005 (44.6) | 824.2 (<0.001) |
| Culture* | |||||
| No. of tests (%) | 42 172 (27.1) | 67 137 (39.2) | 72 031 (39.3) | 61 675 (29.3) | 22.5 (<0.001) |
| No. of positive cases (%) | 1948 (39.2) | 2339 (42.3) | 3262 (43.5) | 4267 (38.0) | 470.5 (<0.001) |
| PCR* | |||||
| No. of tests (%) | 10 792 (6.9) | 12 568 (7.3) | 18 235 (9.9) | 29 543 (14.1) | 6203.5 (<0.001) |
| No. of positive cases (%) | 564 (11.3) | 573 (10.4) | 818 (10.9) | 1445 (12.9) | 0.3 (0.57) |
| Immunofluorescence* | |||||
| No. of tests (%) | 13 904 (8.9) | 15 549 (9.1) | 18 384 (10.0) | 21 246 (10.1) | 270.2 (<0.001) |
| No. of positive cases (%) | 74 (1.5) | 70 (1.3) | 239 (3.2) | 503 (4.5) | 299.2 (<0.001) |
| Total* | |||||
| No. of tests (%, increased rate compared with 2014) | 155 747 | 171 456 (10.1) | 183 434 (17.8) | 210 238 (35.0) | 4525.4 (<0.001) |
| No. of positive cases | 4975 | 5528 | 7504 | 11 220 | 1318.1 (<0.001) |
| No. of reported cases (%, increased rate compared with 2014)† | 3600 | 3910 (8.6) | 5627 (56.3) | 8040 (123.3) | 4133.8 (<0.001) |
*These data for the 10 cities were obtained from the retrospective study.
†These data for the 10 cities were from STI CRS.