TABLE 1.
Season and year comparisons* of mean weekly over-the-counter (OTC) medication sales (transformed for confidentiality) and average weekly cases of Norovirus and Rotavirus in a Canadian province (April 2001 to April 2004)
| Season andyear label | Season and year | Average weekly OTCsales, n ± SD | Average weeklycases of Norovirus,n ± SD (range) | Average weeklycases of Rotavirus,n ± SD (range) |
|---|---|---|---|---|
| A | Spring 2001 | 60±8.08D,H,J, L | 3.6±2.98 (0–10)H | 1.55±2.11 (0–7)E |
| B | Summer 2001 | 63±5.56H,L | 3.2±3.58 (0–11)H,L | 0±0 (0–0)E,L |
| C | Fall 2001 | 59±5.66D,H,J,K,L | 2.8±2.12 (0–6)H,L | 0±0 (0–0)E,L |
| D | Winter 2001/02 | 67±5.76H,L | 4.3±4.12 (0–16)H | 0.68±0.95 (0–3)E,L |
| E | Spring 2002 | 58±6.79D,H,J,L | 1.4±0.81 (0–3)H,L | 5.09±3.86 (0–13)§ |
| F | Summer 2002 | 62±9.32D,H,L | 1.9±1.85 (0–5)H,L | 0.3±0.48 (0–1)E,L |
| G | Fall 2002 | 62±9.16H,L | 4.3±4.16 (0–11)H | 0.25±0.62 (0–2)E,L |
| H | Winter 2002/03 | 76±8.62† | 11.5±9.17 (1–32)† | 1.79±2.57 (0–9)E |
| I | Spring 2003 | 63±5.39H,L | 3.0±1.73 (0–5)H,L | 1.73±2.57 (0–6)E |
| J | Summer 2003 | 67±7.93H,L | 4.5±3.63 (1–13)H | 0.2±0.42 (0–1)E,L |
| K | Fall 2003 | 65±5.24E,H,L | 4.6±2.35 (1–8)H | 0±0 (0–0)E,L |
| L | Winter 2003/04 | 73±6.16‡ | 6.5±3.63 (1–13)B,C,E,F,I | 2.35±2.83 (0–8)B,D,E,F,H |
*
Significant differences (P<0.05) between the periods spring 2001 to winter 2003–2004 are indicated by superscripts A to L, where A=significantly different than spring 2001, B=significantly different than summer 2001, etc.
†
Significantly different from all periods except winter 2003–2004;
‡
Significantly different from all periods except winter 2002–2003;
§
Significantly different from all other periods