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Table 3
Radiation-related characteristics according to birth weight.
| Total | Birth weight of neonates (g) | |||||
|---|---|---|---|---|---|---|
| Variable | (n = 231) | ≤ 750 (n = 19) |
751 to ≤ 1000 (n = 43) |
1001 to ≤ 1250 (n = 73) |
1251 to ≤ 1500 (n = 96) |
p-value for trend |
| Radiation exposure | ||||||
| Cumulative ESD (mGy) | 1.63 (0.94–3.20) | 4.83 (3.89–5.75) | 3.07 (2.27–4.29) | 1.75 (1.06–3.07) | 1.10 (0.66–1.60) | < 0.001 |
| Total no. of X-ray | 26.00 (15.50–51.00) | 77.00 (61.50–95.50) | 50.00 (37.50–67.50) | 28.00 (17.00–50.00) | 17.50 (11.00–25.50) | < 0.001 |
| Babygram | 23.00 (13.00–49.00) | 74.00 (60.00–91.00) | 49.00 (36.50–66.00) | 24.00 (14.00–45.00) | 16.00 (10.00–24.50) | < 0.001 |
| Gonad exposure/Total no. of X-ray (%) | 9.32 (2.24–17.66) | 15.11 (8.93–23.52) | 7.35 (3.90–16.03) | 10.71 (2.50–16.67) | 6.25 (0.00–19.09) | 0.016 |
| Male | 6.90 (0.00–15.00) | 14.43 (7.42–16.09) | 10.82 (5.46–16.03) | 6.90 (1.22–13.53) | 5.32 (0.00–12.77) | 0.059 |
| Female | 11.11 (2.63–22.43) | 20.00 (11.23–27.31) | 6.52 (1.32–-12.50) | 12.24 (5.41–21.05) | 9.57 (0.00–23.53) | 0.043 |
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