Table 1.
The characteristics of the study population on hematological parameters
| Variable | No. (n = 1265) | Hemoglobin (g/L) | Red blood cells (1012/L) | White blood cells (109/L) | Platelets (109/L) | F/t1 | F/t2 | F/t3 | F/t4 | P value1 | P value2 | P value3 | P value4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gender | − 33.10 | 20.96 | 3.33 | − 6.20 | < 0.001 | < 0.001 | 0.001 | < 0.001 | |||||
| Male | 916 (72.41) | 130.91 ± 10.77 | 5.29 ± 0.51 | 6.37 ± 1.57 | 226.23 ± 49.92 | ||||||||
| Female | 349 (27.59) | 153.41 ± 10.82 | 4.63 ± 0.48 | 6.04 ± 1.48 | 246.09 ± 53.56 | ||||||||
| Age at baseline | − 0.51 | 3.39 | 2.18 | 3.73 | 0.613# | 0.001# | 0.029 | < 0.001 | |||||
| < 40 years | 818 (64.66) | 147.05 ± 15.22 | 5.15 ± 0.61 | 6.35 ± 1.56 | 235.69 ± 51.23 | ||||||||
| ≥ 40 years | 447 (35.34) | 147.48 ± 13.90 | 5.04 ± 0.53 | 6.15 ± 1.52 | 224.41 ± 51.81 | ||||||||
| Service at baseline | − 2.11 | 0.18 | − 1.86 | 0.78 | 0.035 | 0.857# | 0.063 | 0.433 | |||||
| < 10 years | 787 (62.21) | 146.52 ± 14.95 | 5.11 ± 0.61 | 6.21 ± 1.51 | 232.60 ± 51.20 | ||||||||
| ≥ 10 years | 478 (37.79) | 148.32 ± 14.38 | 5.11 ± 0.55 | 6.38 ± 1.60 | 230.24 ± 52.53 | ||||||||
| Occupation | 65.33 | 26.92 | 2.37 | 6.82 | < 0.001# | < 0.001 | 0.072# | < 0.001# | |||||
| Physician | 808 (63.87) | 149.25 ± 13.37 | 5.17 ± 0.55 | 6.23 ± 1.49 | 227.50 ± 51.19 | ||||||||
| Radiation technician | 296 (23.40) | 147.19 ± 16.04 | 5.12 ± 0.61 | 6.49 ± 1.67 | 240.15 ± 54.73 | ||||||||
| Nurse | 111 (8.77) | 132.78 ± 11.32 | 4.66 ± 0.59 | 6.21 ± 1.66 | 243.15 ± 47.47 | ||||||||
| Others | 50 (3.95) | 146.21 ± 17.28 | 5.03 ± 0.55 | 6.05 ± 1.37 | 224.31 ± 40.28 | ||||||||
| Medical level | |||||||||||||
| Primary | 220 (17.39) | 147.17 ± 14.29 | 5.12 ± 0.61 | 6.25 ± 1.60 | 229.38 ± 50.90 | 0.01 | 0.01 | 0.05 | 1.61 | 0.986 | 0.987 | 0.947 | 0.201 |
| Secondary | 406 (32.09) | 147.12 ± 14.60 | 5.11 ± 0.56 | 6.28 ± 1.53 | 228.91 ± 52.37 | ||||||||
| Third | 639 (50.51) | 147.27 ± 15.04 | 5.11 ± 0.59 | 6.29 ± 1.55 | 234.28 ± 51.49 | ||||||||
| Smoking habits | − 8.35 | − 3.75 | − 4.94 | 1.29 | < 0.001# | < 0.001# | < 0.001# | 0.197 | |||||
| No | 941 (74.39) | 145.33 ± 14.82 | 5.08 ± 0.61 | 6.14 ± 1.48 | 232.81 ± 51.87 | ||||||||
| Yes | 324 (25.61) | 152.65 ± 13.17 | 5.20 ± 0.49 | 6.66 ± 1.68 | 228.51 ± 51.14 | ||||||||
| The cumulative radiation dose (mSv) | 0.09 | 0.81 | 2.38 | 4.68 | 0.407 | 0.444 | 0.094# | 0.010# | |||||
| 0~2.586 | 148.13 ± 14.53 | 5.14 ± 0.57 | 6.13 ± 1.42 | 225.33 ± 47.35 | |||||||||
| 2.586~3.757 | 146.97 ± 14.93 | 5.11 ± 0.59 | 6.35 ± 1.64 | 235.75 ± 55.15 | |||||||||
| 3.758~31.272 | 146.70 ± 14.67 | 5.08 ± 0.59 | 6.28 ± 1.48 | 230.38 ± 48.31 | |||||||||
#The variance is unequal, and Welch’s ANOVA was used
1The characteristics of the study population on hemoglobin
2The characteristics of the study population on red blood cells
3The characteristics of the study population on white blood cells
4The characteristics of the study population on platelets