Table 5.
Methods of comparing rotavirus-associated diarrhea hospitalizations among children younger than five years of age, Quebec, April 1, 1985 to March 31, 1998
| Ho et al and Jin et al | Ford-Jones | Brandt et al (reference 8) | ||
|---|---|---|---|---|
| Year | (references 4 and 5) | (reference 7) | Monthly weights | Age weights |
| April 1985 to November 1985 | N/A | (806.2) | (304.6) | (1356.4) |
| December 1985 to November 1986 | 1380 | 1453.3 | 1293.5 | 1907.7 |
| December 1986 to November 1987 | 1060 | 1253.9 | 1156.5 | 1654.1 |
| December 1987 to November 1988 | 1376 | 1377.5 | 1377.4 | 1813.2 |
| December 1988 to November 1989 | 543 | 1114.8 | 964.9 | 1517.8 |
| December 1989 to November 1990 | 2903 | 1854.8 | 1986.0 | 2291.5 |
| December 1990 to November 1991 | -67 | 1123.6 | 879.7 | 1664.3 |
| December 1991 to November 1992 | 2689 | 1754.5 | 1852.4 | 2224.0 |
| December 1992 to November 1993 | 745 | 1243.2 | 1073.5 | 1672.0 |
| December 1993 to November 1994 | 2396 | 1557.3 | 1649.8 | 1911.5 |
| December 1994 to November 1995 | 1459 | 1295.0 | 1231.8 | 1634.1 |
| December 1995 to November 1996 | 2765 | 1630.2 | 1649.9 | 1945.9 |
| December 1996 to November 1997 | 1323 | 1285.0 | 1095.5 | 1659.6 |
| December 1997 to March 1998 | N/A | (762.5) | (1071.3) | (789.0) |
| Total | 19,577 | 18,512.2 | 17,587.4 | 24,041.5 |
Coefficient of 0.37 applied for all columns for eight months; Parentheses indicate partial year; NA Not applicable