Volume 19, Number 8—August 2013
Research
Comparison of 2 Assays for Diagnosing Rotavirus and Evaluating Vaccine Effectiveness in Children with Gastroenteritis
Table 1
Characteristic | Children with AGE |
Healthy controls |
|||||
---|---|---|---|---|---|---|---|
Rotavirus EIA+, n = 158 | Rotavirus EIA–, n = 490 | p value† | All, n = 500 | p value‡ | p value§ | ||
Median age, mo (IQR) |
23 (13–30) |
12 (5–23) |
<0.001 |
12 (4–20) |
<0.001 |
0.14 |
|
Race | 0.04 | <0.001 | <0.001 | ||||
White | 74 (47) | 177 (36) | 113 (23) | ||||
Black | 45 (28) | 196 (40) | 293 (59) | ||||
Asian | 1 (1) | 6 (1) | 7 (1) | ||||
Other | 38 (24) | 111 (23) | 84 (17) | ||||
Unknown |
0 |
0 |
3 (1) |
||||
Hispanic ethnicity |
27 (17) |
95 (19) |
0.56 |
74 (15) |
0.48 |
0.07 |
|
Premature birth |
14 (9) |
53 (11) |
0.47 |
51 (10) |
0.61 |
0.74 |
|
Ever breast-fed |
110 (70) |
310 (63) |
0.16 |
286 (57) |
0.006 |
0.04 |
|
Attended day care |
55 (35) |
150 (31) |
0.28 |
88 (18) |
<0.001 |
<0.001 |
|
No. doses rotavirus vaccine received | <0.001 | <0.001 | 0.02 | ||||
0 | 105 (66) | 171 (34) | 178 (36) | ||||
1 | 9 (6) | 57 (12) | 53 (11) | ||||
2 | 8 (5) | 72 (15) | 74 (15) | ||||
3 | 22 (14) | 164 (34) | 187 (37) | ||||
Ineligible | 8 (5) | 15 (3) | 6 (1) | ||||
Unknown | 6 (4) | 10 (2) | 1 (0) | ||||
Data missing |
0 |
1 (0) |
1 (0) |
||||
Insurance status | 0.01 | <0.001 | <0.001 | ||||
Public | 86 (54) | 335 (68) | 430 (86) | ||||
Private | 58 (37) | 117 (24) | 49 (10) | ||||
Public and private | 3 (2) | 14 (3) | 6 (1) | ||||
None | 10 (6) | 23 (5) | 14 (3) | ||||
Unknown |
1 (1) |
1 (0) |
1 (0) |
||||
Maternal education | 0.33 | 0.07 | 0.48 | ||||
Less than high school | 44 (28) | 134 (27) | 141 (28) | ||||
High school | 40 (25) | 153 (31) | 170 (34) | ||||
More than high school |
74 (47) |
203 (41) |
189 (38) |
||||
Age of other child in household | |||||||
<6 mo | 12 (8) | 18 (4) | 0.04 | 26 (5) | 0.26 | 0.24 | |
6–23 mo | 23 (15) | 50 (10) | 0.13 | 67 (13) | 0.71 | 0.12 | |
2–4 y | 51 (32) | 145 (30) | 0.52 | 153 (31) | 0.69 | 0.73 | |
<5 y |
74 (47) |
190 (39) |
0.07 |
214 (43) |
0.37 |
0.20 |
|
Season specimen collected | <0.001 | <0.001 | 0.01 | ||||
January–June | 141 (89) | 347 (71) | 316 (63) | ||||
July–December |
17 (11) |
143 (29) |
183 (37) |
||||
Study site | 0.34 | 0.13 | 0.72 | ||||
Nashville, TN | 39 (25) | 149 (30) | 163 (33) | ||||
Rochester, NY | 54 (34) | 146 (30) | 140 (28) | ||||
Cincinnati, OH | 65 (41) | 195 (40) | 197 (39) |
*Values are no. (%) except as indicated. AGE, acute gastroenteritis; EIA, enzyme immunoassay; +, positive; −, negative; IQR, interquartile range.
†Children with specimens positive vs. negative for rotavirus by EIA.
‡Children with specimens positive for rotavirus by EIA vs. healthy children.
§Children with specimens negative for rotavirus by EIA vs. healthy children.
Page created: July 02, 2013
Page updated: July 02, 2013
Page reviewed: July 02, 2013
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