Radioprotection No 59-2 | Page 31

90 T . Ohba et al .: Radioprotection 2024 , 59 ( 2 ), 88 – 94
Table 1 . The characteristics of facilities that responded to the questionnaire and the existence of permanent facilities . N Years elapsed since designation as an NDRH Manuals on nuclear disasters
Characteristics of facilities responding to our questionnaire Annual number of medical personnel that attended nuclear disaster medicine training seminar
Less than
Over
p value
No
Yes
p value
4 years
4 years
( N = 8 )
( N = 18 )
( N = 9 )
( N = 17 )
Less than 50
14
8 ( 88.9 )
6 ( 35.3 )
0.015
5 ( 62.5 )
9 ( 50.0 )
0.683
Over 50
12
1 ( 11.1 )
11 ( 64.7 )
3 ( 37.5 )
9 ( 50.0 )
Regional classification of NDRHs in Japan
East Japan area
12
5 ( 55.6 )
7 ( 41.2 )
0.683
3 ( 37.5 )
9 ( 50.0 )
0.683
West Japan area
14
4 ( 44.4 )
10 ( 58.8 )
5 ( 62.5 )
9 ( 50.0 )
Average number of external patients per day in an NDRH
Less than 1,100
13
4 ( 44.4 )
9 ( 52.9 )
1.000
5 ( 62.5 )
8 ( 44.4 )
0.673
Over 1,100
13
5 ( 55.6 )
8 ( 47.1 )
3 ( 37.5 )
10 ( 55.6 )
Manuals on nuclear disasters
No
8
2 ( 22.2 )
6 ( 35.3 )
0.667
–
–
–
Yes
18
7 ( 77.8 )
11 ( 64.7 )
–
–
Years elapsed since designation as an NDRH
Less than 4 years
9
–
–
–
2 ( 25.0 )
7 ( 38.9 )
0.667
Over 4 years
17
–
–
6 ( 75.0 )
11 ( 61.1 )
The existence of permanent facilities
No
13
2 ( 22.2 )
11 ( 64.7 )
0.048 ( Significant by
6 ( 75.0 )
7 ( 38.9 )
Yes
13
7 ( 77.8 )
6 ( 35.3 )
one-tailed test )
2 ( 25.0 )
11 ( 61.1 )
0.202
Dedicated emergency room for contaminated patients 0.097 ( No significant difference in two-tailed tests )
Dedicated indoor space for the examination of body surface
No
11
1 ( 11.1 )
10 ( 58.8 )
0.036
6 ( 75.0 )
5 ( 27.8 )
0.038
Yes
15
8 ( 88.9 )
7 ( 41.2 )
2 ( 25.0 )
13 ( 72.2 )
contamination
Storage facilities for radioactive waste
No
12
1 ( 11.1 )
11 ( 64.7 )
0.016
6 ( 75.0 )
6 ( 33.3 )
0.090
Yes
14
8 ( 88.9 )
6 ( 35.3 )
2 ( 25.0 )
12 ( 66.7 )
Water storage tank for storing radioactively contaminated water
No
11
3 ( 33.3 )
8 ( 47.1 )
0.683
6 ( 75.0 )
5 ( 27.8 )
0.038
Yes
15
6 ( 66.7 )
9 ( 52.9 )
2 ( 25.0 )
13 ( 72.2 )
NDRH : Nuclear Disaster Related Hospitals . The table shows the number ( percentage ) of facilities in each column .