Table 3.
Symptom | Occurrence of the symptom (main outcome) |
Hospital visits |
Persistent and constant symptom |
||||
---|---|---|---|---|---|---|---|
OR | 95% CI | OR | 95% CI | OR | 95% CI | ||
1 | Menstrual irregularity | 0.92 | (0.86–0.98) | 1.29 | (1.12–1.49) | 1.10 | (0.97–1.24) |
2 | Abnormal amounts of menstrual bleeding | 1.10 | (0.98–1.23) | 1.43 | (1.13–1.82) | 1.41 | (1.11–1.79) |
3 | Pain in the joints or other parts of the body | 0.87 | (0.78–0.97) | 1.25 | (1.00–1.56) | 0.71 | (0.55–0.91) |
4 | Severe headache | 0.95 | (0.87–1.05) | 1.19 | (1.02–1.39) | 1.08 | (0.81–1.43) |
5 | Fatigue | 0.81 | (0.74–0.89) | 1.28 | (1.00–1.64) | 0.83 | (0.68–1.00) |
6 | Poor endurance | 0.88 | (0.81–0.97) | 1.20 | (0.91–1.58) | 0.97 | (0.81–1.15) |
7 | Difficulty concentrating | 0.84 | (0.76–0.94) | 1.29 | (0.89–1.88) | 0.96 | (0.77–1.20) |
8 | Abnormal field of vision | 0.82 | (0.67–1.01) | 0.97 | (0.64–1.47) | 0.80 | (0.45–1.44) |
9 | Abnormal sensitivity to light | 0.98 | (0.85–1.13) | 1.03 | (0.73–1.44) | 0.98 | (0.72–1.34) |
10 | Sudden vision loss | 0.78 | (0.70–0.87) | 0.90 | (0.79–1.03) | 1.03 | (0.83–1.29) |
11 | Dizziness | 0.84 | (0.77–0.92) | 1.12 | (0.92–1.37) | 0.96 | (0.74–1.25) |
12 | Cold feet | 0.79 | (0.73–0.87) | 1.02 | (0.66–1.57) | 0.91 | (0.79–1.05) |
13 | Difficulty falling asleep | .71 | (0.64–0.79) | 0.87 | (0.65–1.19) | 0.75 | (0.60–0.93) |
14 | Abnormally long duration of sleep | .91 | (0.83–0.99) | 1.12 | (0.78–1.60) | 1.12 | (0.95–1.33) |
15 | Skin problems | 0.78 | (0.71–0.85) | 0.88 | (0.79–0.99) | 0.87 | (0.75–1.00) |
16 | Hyperventilation | 0.77 | (0.66–0.90) | 0.82 | (0.63–1.07) | 0.31 | (0.10–0.91) |
17 | Memory decline | 1.00 | (0.84–1.19) | 1.06 | (0.55–2.06) | 0.74 | (0.53–1.02) |
18 | Loss of ability to perform simple calculations | 0.70 | (0.52–0.94) | 1.83 | (0.57–5.96) | 0.35 | (0.21–0.58) |
19 | Loss of ability to remember fundamental Kanji | 0.73 | (0.60–0.89) | 2.09 | (0.66–6.63) | 0.44 | (0.27–0.72) |
20 | Involuntary uncontrollable body movements | 1.20 | (0.87–1.66) | 1.08 | (0.56–2.07) | 0.81 | (0.32–2.07) |
21 | Loss of ability to walk in a normal way | 0.94 | (0.56–1.60) | 1.21 | (0.61–2.39) | 0.42 | (0.15–1.21) |
22 | Becoming dependent on a walking stick or wheelchair | 0.55 | (0.28–1.09) | 0.57 | (0.24–1.34) | 0.36 | (0.11–1.25) |
23 | Sudden loss of strength | 1.05 | (0.81–1.36) | 1.41 | (0.73–2.73) | 0.59 | (0.15–2.26) |
24 | Weakness in the hands and feet | 1.19 | (0.94–1.50) | 1.42 | (0.86–2.35) | 1.02 | (0.37–2.79) |
Significant odds ratios are shown in bold.
Abbreviation: OR, odds ratio; CI, confidence interval.