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. Author manuscript; available in PMC: 2015 Dec 4.
Published in final edited form as: Pediatr Infect Dis J. 2014 Jan;33(0 1):S54–S61. doi: 10.1097/INF.0000000000000094

TABLE 4.

Crude and Adjusted Incidence Rates for Rotavirus Gastroenteritis (GE), Lwak (January 1, 2007, to December 31, 2010)

Syndrome Rotavirus
cases		 PYO Crude
IR		 95% CI
% GE Adjusted
% GE Cases
Visiting Field
Clinic		 Adjusted
PAF Final Adjusted
95% CI
Lower Upper Sampled
at Clinic		 Cases 1 Rate 1 Cases 2 Rate 2 Cases 3 Rate 3 Lower Upper
Age
 <12 months Overall 23 3426 671 446.1 1010.2 267 7803.6 498 14,549.5 0.93 462 13 494 12 318 14 782
Dehydration 16 3426 467 286.1 762.3 15.8 101 2955.2 60.2 168 4910.7 0.93 156 4 555 3 893 5 328
Dysentery 0 3426 0 0.0 0.0 12.5 0 0.0 61.5 0 0.0 0.93 0 0 0 0
Mild diarrhea 7 3426 204 97.4 428.6 4.2 166 4848.4 50.3 330 9638.7 0.93 306 8 940 7 992 9 999
 12–23 months Overall 20 3242 617 398.0 956.2 277 8547.2 524 16,158.0 0.93 486 14 986 13 711 16 380
Dehydration 14 3242 432 255.8 729.2 15.7 89 2745.8 60.8 146 4514.8 0.93 136 4 187 3 539 4 954
Dysentery 0 3242 0 0.0 0.0 8.0 0 0.0 100 0 0.0 0.93 0 0 0 0
Mild diarrhea 6 3242 185 83.1 412.0 3.2 188 5801.3 49.8 377 11,643.2 0.93 350 10 799 9 725 11 991
 24–59 months Overall 6 9275 65 29.1 144.0 94 1018.3 177 1907.9 0.93 164 1 770 1 519 2 062
Dehydration 2 9275 22 5.4 86.2 15.3 13 141.4 56.2 23 251.5 0.93 22 233 153 356
Dysentery 0 9275 0 0.0 0.0 13.9 0 0.0 75.0 0 0.0 0.93 0 0 0 0
Mild diarrhea 4 9275 43 16.2 114.9 4.9 81 876.9 52.9 154 1656.4 0.93 142 1 536 1 304 1 810
 <5 years Overall 49 15,943 307 232.3 406.7 621 3893.0 1165 7308.7 0.93 1081 6 779 6 386 7 195
Dehydration 32 15,943 201 141.9 283.8 15.7 204 1281.2 59.3 345 2161.5 0.93 320 2 005 1 797 2 237
Dysentery 0 15,943 0 0.0 0.0 11.9 0 0.0 68.2 0 0.0 0.93 0 0 0 0
Mild diarrhea 17 15,943 107 66.3 171.5 4.1 416 2611.9 50.7 821 5147.1 0.93 761 4 774 4 446 5 125
 5–9 years Overall 3 19,443 15 5.0 47.8 42 215.1 90 460.4 0.89 79 408 328 509
Dehydration 0 19,443 0 0.0 0.0 12.9 0 0.0 54.1 0 0.0 0.89 0 0 0 0
Dysentery 0 19,443 0 0.0 0.0 20.0 0 0.0 40.0 0 0.0 0.89 0 0 0 0
Mild diarrhea 3 19,443 15 5.0 47.8 7.2 42 215.1 46.7 90 460.4 0.89 79 408 328 509
 10–17 years Overall 11 18,818 58 32.4 105.6 72 384.5 121 645.4 0.89 108 573 474 692
Dehydration 0 18,818 0 0.0 0.0 31.4 0 0.0 54.8 0 0.0 0.89 0 0 0 0
Dysentery 6 18,818 32 14.3 71.0 23.0 26 138.6 80.0 33 173.3 0.89 29 154 107 221
Mild diarrhea 5 18,818 27 11.1 63.8 10.8 46 245.9 52.1 89 472.1 0.89 79 419 336 522
 18–34 years Overall 32 23,725 135 95.4 190.7 148 624.8 272 1146.8 0.89 241 1 017 897 1 154
Dehydration 3 23,725 13 4.1 39.2 21.2 14 59.6 60.7 23 98.1 0.89 21 87 57 134
Dysentery 9 23,725 38 19.7 72.9 40.5 22 93.6 73.7 30 127.0 0.89 27 113 77 165
Mild diarrhea 20 23,725 84 54.4 130.7 17.9 112 471.7 51.2 219 921.7 0.89 194 818 710 941
 35–49 years Overall 11 10,312 107 59.1 192.6 42 411.8 76 736.3 0.89 67 653 515 830
Dehydration 0 10,312 0 0.0 0.0 19.5 0 0.0 57.0 0 0.0 0.89 0 0 0 0
Dysentery 6 10,312 58 26.1 129.5 35.6 17 163.6 61.9 27 264.2 0.89 24 234 157 349
Mild diarrhea 5 10,312 48 20.2 116.5 19.5 26 248.2 52.6 49 472.1 0.89 43 419 311 564
 50+ years Overall 10 13,977 72 38.5 133.0 52 374.1 99 705.8 0.89 88 626 508 772
Dehydration 4 13,977 29 10.7 76.3 18.6 21 153.7 54.1 40 284.3 0.89 35 252 181 351
Dysentery 3 13,977 21 6.9 66.6 24.5 12 87.6 57.1 21 153.4 0.89 19 136 87 213
Mild diarrhea 3 13,977 21 6.9 66.6 16.2 19 132.8 49.5 37 268.0 0.89 33 238 169 334
 ≥5 years Overall 67 86,274 78 61.1 98.7 363 420.6 679 786.7 0.89 602 698 644 756
Dehydration 7 86,274 8 3.9 17.0 20.3 35 40.0 56.4 61 71.0 0.89 54 63 48 82
Dysentery 24 86,274 28 18.6 41.5 31.6 76 88.1 64.5 118 136.6 0.89 105 121 100 147
Mild diarrhea 36 86,274 42 30.1 57.8 14.3 252 292.5 50.5 500 579.1 0.89 443 514 468 564
 Total Overall 116 102,217 113 94.6 136.1 864 845.2 1614 1578.9 0.90 1459 1 427 1 356 1502
Dehydration 39 102,217 38 27.9 52.2 17.2 227 222.0 57.8 393 384.3 0.90 355 347 313 386
Dysentery 24 102,217 23 15.7 35.0 28.6 84 82.1 65.3 128 125.7 0.90 116 114 95 136
Mild diarrhea 53 102,217 52 39.6 67.9 9.6 553 541.2 50.6 1093 1068.9 0.90 988 966 908 1029
Sex
 Male Overall 48 48,253 99 75.0 132.0 395 819.5 764 1583.6 0.90 689 1 428 1 326 1539
Dehydration 14 48,253 29 17.2 49.0 15.6 90 185.6 57.5 156 322.9 0.90 141 291 247 344
Dysentery 9 48,253 19 9.7 35.8 29.7 30 62.9 64.3 47 97.8 0.90 43 88 65 119
Mild diarrhea 25 48,253 52 35.0 76.7 9.1 276 571.0 49.1 561 1162.9 0.90 506 1 049 961 1144
 Female Overall 68 53,964 126 99.4 159.8 465 862.0 845 1565.5 0.91 766 1 420 1 323 1524
Dehydration 25 53,964 46 31.3 68.6 18.8 133 245.9 58.0 229 424.0 0.91 208 385 3356 441
Dysentery 15 53,964 28 16.8 46.1 27.9 54 99.8 66.1 81 151.0 0.91 74 137 109 172
Mild diarrhea 28 53,964 52 35.8 75.1 10.1 279 516.2 52.1 534 990.5 0.91 485 898 822 982

Incidence rates (IR) per 100,000 PYO.

Adjustment 1 based on percentage of patients who met sample collection criteria who provided a stool sample (see Methods).

Adjustment 2 (total adjustment) based on the patients with diarrhea or dysentery during home visit, who visited the field clinic (adjusting the adjustment 1 rates—see methods).