Table 1.
Annual community-onset (CO) and hospital-onset (HO)a BSI incidenceb,c by age in Sa Kaeo and Nakhon Phanom provinces Thailand, 2007-2014
| Age (yrs.) | Annual BSI Incidence (95% CI) | p-value for trend | Overall incidence (95% CI) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | |||
| Overall | ||||||||||
| CO (N=10,007) | 91 (80, 103) | 91 (79, 102) | 111 (99, 123) | 118 (105, 131) | 100 (88, 111) | 108 (96, 120) | 133 (119, 146) | 130 (117, 143) | <.05 | 110 (98, 123) |
| HO (N=917) | 1.1 (0.71, 1.5) | 1.2 (0.8, 1.6) | 1.4 (0.9, 1.8) | 1.5 (1.0, 1.9) | 1.1 (0.8, 1.5) | 1.5 (1.0, 1.9) | NS | 1.3 (0.9, 1.7) | ||
| <5 | ||||||||||
| CO (N=522) | 107 (86, 115) | 82 (63, 90) | 57 (41, 64) | 77 (59, 84) | 46 (32, 52) | 84 (65, 90) | 71 (53, 76) | 71 (53, 76) | NS | 75 (57, 93) |
| HO (N=107) | 0.6 (0.3, 0.9) | 0.7 (0.3, 1.0) | 0.8 (0.5, 1.2) | 0.9 (0.5, 1.2) | 0.6 (0.3, 0.9) | 0.7 (0.4, 1.1) | NS | 0.7 (0.4, 1.0) | ||
| 5-14 | ||||||||||
| CO (N=187) | 15 (10, 42) | 15 (9.6, 41) | 9.5 (5.2, 28) | 13 (7.7, 35) | 10 (5.7, 29) | 7.2 (3.5, 21) | 13 (7.6, 34) | 13 (7.7, 34) | NS | 12 (7.1, 17) |
| HOd (N=11) | NA | NA | NA | NA | NA | - | 0.2 (0.0, 0.5) | |||
| 15-49 | ||||||||||
| CO (N=2,739) | 56 (50, 62) | 59 (52, 65) | 72 (65, 79) | 70 (63, 77) | 60 (53, 66) | 53 (47, 59) | 66 (60, 73) | 64 (57, 70) | NS | 62 (56, 69) |
| HO (N=234) | 0.9 (0.6, 1.2) | 1.0 (0.7, 1.3) | 1.0 (0.7, 1.3) | 0.8 (0.5, 1.0) | 0.7 (0.5, 1.0) | 0.8 (0.5, 1.0) | NS | 0.9 (0.6, 1.1) | ||
| 50-64 | ||||||||||
| CO (N=3,019) | 137 (120, 153) | 144 (127, 161) | 193 (173, 213) | 203 (182, 223) | 176 (157, 194) | 184 (165, 203) | 247 (225, 268) | 225 (205, 245) | <.01 | 190 (171, 209) |
| HO (N=262) | 2.1 (1.4, 2.7) | 2.4 (1.7, 3.1) | 1.9 (1.3, 2.5) | 2.7 (2.0, 3.4) | 1.7 (1.1, 2.2) | 3.0 (2.2, 3.7) | NS | 2.3 (1.6, 3.0) | ||
| 65+ | ||||||||||
| CO (N=3,540) | 342 (306, 378) | 328 (292, 364) | 424 (383, 464) | 466 (423, 509) | 385 (347, 423) | 448 (407, 488) | 500 (458, 541) | 501 (460, 542) | <.01 | 426 (387, 466) |
| HO (N=303) | 1.7 (1.2, 2.3) | 1.9 (1.3, 2.5) | 2.5 (1.8, 3.2) | 2.8 (2.1, 3.5) | 2.4 (1.8, 3.1) | 2.6 (1.9, 3.2) | .06 | 2.3 (1.7, 3.0) | ||
aDenominator data for HO incidence calculations available after 2008.
bCO incidence: cases/100,000 population
cHO incidence: cases/1,000 hospitalizations
dAnnual incidence estimates not shown as yearly case counts were <5