Background
Methods
The Catalan HIV/STI surveillance systems
Study variables
Interrupted time series and data analysis
Results
Total | Pre-lockdown | Lockdown | De-escalation Phases | New Normality | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Number of reported cases | N = 45,181 | N = 41,802 | N = 997 | N = 1266 | N = 1116 | |||||
Days,n°reported cases/days | 1096 | 41.2 | 954 | 43.8 | 45 | 22.2 | 54 | 23.4 | 40 | 27.9 |
N | % | N | % | N | % | N | % | N | % | |
STI | ||||||||||
Chlamydia | 23,095 | 51.1 | 21,463 | 51.3 | 472 | 47.3 | 611 | 48.3 | 549 | 49.1 |
Gonorrhoea | 14,406 | 31.9 | 13,340 | 31.9 | 329 | 33.0 | 398 | 31.4 | 339 | 30.3 |
LGVb | 815 | 1.8 | 723 | 1.7 | 28 | 2.8 | 29 | 2.3 | 35 | 3.1 |
Syphilis | 6865 | 15.2 | 6276 | 15.0 | 168 | 16.9 | 228 | 18.0 | 193 | 17.3 |
Sex | ||||||||||
Females | 17,860 | 39.5 | 16,679 | 39.9 | 340 | 34.1 | 453 | 35.8 | 388 | 34.7 |
Males | 27,321 | 60.5 | 25,123 | 60.1 | 657 | 65.9 | 813 | 64.2 | 728 | 65.2 |
Age (mean, SDc) | 31.7 | 11.1 | 31.7 | 11.1 | 31.9 | 10.6 | 32.5 | 11.9 | 32.3 | 11.4 |
Age group | ||||||||||
< 20 | 5776 | 12.8 | 5384 | 12.9 | 113 | 11.3 | 154 | 12.2 | 125 | 11.2 |
20 to 29 | 17,334 | 38.4 | 16,052 | 38.4 | 376 | 37.7 | 477 | 37.7 | 429 | 38.4 |
30 to 39 | 12,076 | 26.7 | 11,180 | 26.7 | 282 | 28.3 | 321 | 25.4 | 293 | 26.3 |
40 to 49 | 6702 | 14.8 | 6177 | 14.8 | 155 | 15.5 | 198 | 15.6 | 172 | 15.4 |
50 to 59 | 2334 | 5.20 | 2124 | 5.1 | 56 | 5.6 | 83 | 6.6 | 71 | 6.4 |
≥ 60 | 959 | 2.1 | 885 | 2.1 | 15 | 1.5 | 33 | 2.6 | 26 | 2.3 |
Deprivation index | ||||||||||
First quintile | 11,221 | 24.8 | 10,288 | 24.6 | 286 | 28.70 | 344 | 27.20 | 303 | 27.2 |
Second quintile | 8133 | 18.0 | 7436 | 17.8 | 214 | 21.50 | 240 | 19.00 | 243 | 21.8 |
Third quintile | 5329 | 11.8 | 4915 | 11.8 | 135 | 13.50 | 155 | 12.20 | 124 | 11.1 |
Fourth quintile | 6150 | 13.6 | 5717 | 13.7 | 106 | 10.60 | 193 | 15.20 | 134 | 12.0 |
Fifth quintile | 8246 | 18.3 | 7618 | 18.2 | 185 | 18.60 | 236 | 18.60 | 207 | 18.5 |
Missing | 6102 | 13.5 | 5828 | 13.9 | 71 | 7.10 | 98 | 7.70 | 105 | 9.4 |
Country of birth | ||||||||||
Spain | 13,861 | 30.7 | 13,316 | 31.9 | 136 | 13.6 | 207 | 16.4 | 202 | 18.1 |
Others | 4913 | 10.9 | 4785 | 11.4 | 24 | 2.4 | 56 | 4.4 | 48 | 4.3 |
Missing | 26,407 | 58.4 | 23,701 | 56.7 | 837 | 84.0 | 1003 | 79.2 | 866 | 77.6 |
Reinfeccion | ||||||||||
No | 39,619 | 87.7 | 36,893 | 88.3 | 838 | 84.1 | 1019 | 80.5 | 869 | 77.9 |
Yes | 5562 | 12.3 | 4909 | 11.7 | 159 | 15.9 | 247 | 19.5 | 247 | 22.1 |
HIV status | ||||||||||
Negative | 42,809 | 94.8 | 39,628 | 94.8 | 937 | 94.0 | 1196 | 94.5 | 1048 | 93.9 |
Positive | 2372 | 5.2 | 2174 | 5.2 | 60 | 6.0 | 70 | 5.5 | 68 | 6.1 |
Periods | observed | expected | upper CIb | lower CIb | difference | upper CIb | lower CIb | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
All STIs | Pre-lockdown | 41,814 | |||||||||
Lockdown | 997 | 2264 | 2681 | 1846 | − 1267 | −56% | − 1684 | −63% | − 849 | −46% | |
De-escalation | 1266 | 2546 | 3078 | 2015 | − 1280 | −50% | − 1812 | −59% | − 749 | −37% | |
New Normality | 1116 | 2026 | 2446 | 1606 | − 910 | −45% | − 1330 | −54% | − 490 | −30% | |
Total | 3379 | 6836 | 8205 | 5467 | − 3457 | −51% | − 4826 | −59% | − 2088 | −38% | |
Chlamydia | Pre-lockdown | 21,463 | |||||||||
Lockdown | 472 | 1607 | 1731 | 1483 | −1135 | −71% | − 1259 | −73% | − 1011 | −68% | |
De-escalation | 611 | 2376 | 2535 | 2216 | − 1765 | −74% | − 1924 | −76% | − 1605 | −72% | |
New Normality | 549 | 1870 | 1997 | 1743 | − 1321 | −71% | − 1448 | −73% | − 1194 | −68% | |
Total | 1632 | 5853 | 6264 | 5442 | − 4221 | −72% | − 4632 | −74% | − 3810 | −70% | |
Gonorrhoea | Pre-lockdown | 13,340 | |||||||||
Lockdown | 329 | 747 | 889 | 605 | −418 | −56% | −560 | −63% | −276 | −46% | |
De-escalation | 398 | 857 | 1037 | 678 | − 459 | −54% | − 639 | −62% | −280 | −41% | |
New Normality | 339 | 670 | 812 | 529 | − 331 | −49% | − 473 | − 58% | −190 | −36% | |
Total | 1066 | 2275 | 2738 | 1812 | − 1209 | −53% | − 1672 | −61% | − 746 | − 41% | |
Syphilis | Pre-lockdown | 6276 | |||||||||
Lockdown | 168 | 250 | 337 | 164 | −82 | −33% | − 169 | −50% | 4 | 2% | |
De-escalation | 228 | 284 | 392 | 177 | −56 | −20% | − 164 | −42% | 51 | 29% | |
New Normality | 193 | 218 | 302 | 134 | −25 | −11% | −109 | −36% | 59 | 44% | |
Total | 589 | 753 | 1030 | 475 | −164 | −22% | − 441 | −43% | 114 | 24% | |
LGVc | Pre-lockdown | 723 | |||||||||
Lockdown | 28 | 54 | 62 | 47 | −26 | −48% | −34 | −55% | −19 | −40% | |
De-escalation | 29 | 80 | 89 | 71 | −51 | −64% | −60 | −67% | −42 | −59% | |
New Normality | 35 | 56 | 63 | 49 | −21 | −38% | −28 | −45% | −14 | −29% | |
Total | 92 | 191 | 214 | 167 | −99 | −52% | − 122 | −57% | −75 | −45% |