Table 2.
Description and bivariate analysis of characteristics of patients hospitalized for rotavirus (source: MBDS, CLM, Spain, 2003–2009)
| Exposure variable | Rotavirus, % (N = 1657) | Other AGE, % (N = 15 758) | OR | 95% CI | P |
|---|---|---|---|---|---|
| Age | |||||
| < 1 yr | 50·1 (829) | 13·8 (2176) | Reference | * | |
| 1 yr | 33·8 (561) | 10·2 (1611) | 0·91 | 0·80–1·03 | |
| 2 yr | 9·3 (154) | 5·4 (845) | 0·48 | 0·40–0·58 | |
| 3–4 yr | 4·8 (79) | 5·9 (930) | 0·22 | 0·17–0·28 | |
| 5–9 yr | 1·5 (25) | 7·9 (1250) | 0·05 | 0·04–0·08 | |
| ⩾ 10 yr | 0·5 (9) | 56·9 (8946) | 0·002 | 0·001–0·005 | |
| Sex | |||||
| Men | 56·4 (935) | 50·4 (7964) | Reference | * | |
| Women | 43·6 (722) | 49·6 (7794) | 0·78 | 0·71–0·87 | |
| Province of residence | |||||
| Albacete | 12·3 (204) | 16·3 (2576) | Reference | * | |
| Toledo | 10·0 (165) | 28·7 (4522) | 0·60 | 0·48–0·74 | |
| Cuenca | 9·7 (161) | 17·9 (2815) | 0·86 | 0·70–1·07 | |
| Guadalajara | 22·4 (375) | 12·8 (2024) | 2·56 | 2·14–3·06 | |
| Ciudad Real | 45·4 (751) | 24·3 (3822) | 2·29 | 1·95–2·69 | |
| Hospitalization period | |||||
| 2003–2005 | 46·4 (769) | 43·6 (6870) | Reference | 0·058 | |
| 2007–2009 | 39·9 (662) | 41·7 (6,73) | 0·90 | 0·81–1·00 | |
| Season | |||||
| December–February | 57 (942) | 25·8 (4060) | Reference | * | |
| March–May | 17 (277) | 20·4 (3212) | 0·37 | 0·32–0·43 | |
| June–August | 5 (88) | 26·6 (4193) | 0·08 | 0·07–0·11 | |
| September–November | 21 (349) | 27·2 (4294) | 0·35 | 0·31–0·40 | |
| Dehydration | 26·3 (436) | 14·3 (2259) | 5·40 | 0·73–39·82 | 0·098 |
| Intravenous rehydration | 4·5 (75) | 1·6 (230) | 3·20 | 2·46–4·18 | * |
| Acidosis | 12·6 (209) | 4·4 (693) | 3·14 | 2·67–3·70 | * |
| Hypoglycaemia | 2·2 (36) | 0·7 (117) | 2·97 | 2·04–4·33 | * |
| Respiratory tract infection | 14 (232) | 4·7 (736) | 3·33 | 2·84–3·89 | * |
| Concomitant AGE | 2·4 (39) | 0·4 (56) | 6·76 | 4·48–10·21 | * |
| Urinary tract infection | 1·3 (21) | 2·8 (447) | 0·44 | 0·28–0·68 | * |
| GERD | 1·9 (32) | 1 (148) | 2·08 | 1·41–3·06 | * |
| Seizures | 1 (16) | 0·3 (42) | 3·65 | 2·05–6·51 | * |
| DPSD | 3·5 (58) | 2·0 (315) | 1·78 | 1·34–2·37 | 0·001 |
| PNPs | 2·1 (34) | 1·2 (86) | 3·82 | 2·56–5·70 | * |
| Malabsorption disorder | 1·6 (27) | 0·5 (146) | 1·77 | 1·17–2·68 | 0·007 |
| Iron-deficiency anaemia | 2·1 (34) | 2·3 (364) | 0·89 | 0·62–1·26 | 0·506 |
| Oral candidiasis | 0·8 (13) | 0·5 (79) | 1·57 | 0·87–2,83 | 0·133 |
| Atopic dermatitis | 1·7 (28) | 0·6 (95) | 2·84 | 1·85–4·34 | * |
MBDS, Minimum Basic Data Set; CLM, Castile-La Mancha; AGE, acute gastroenteritis; OR, Odds ratio; CI, confidence Interval; GERD, gastroesophageal reflux disease; DPSD, disorders of pondostatural development; PNPs, perinatal problems.
* P < 0·0001.