Table 1.
Comparison of characteristics between the delayed neuropsychiatric sequelae (DNS)-developing group and the non-DNS-developing group
|
Item |
Category |
DNS-developing group |
Non-DNS-developing group |
P value |
|---|---|---|---|---|
| n = 13 | n = 66 | |||
| Gender |
Male (%) |
11 (84.6) |
54 (81 8) |
1.000 |
| Female (%) |
2 (15.4) |
12 (18.2) |
||
| Mean age ± S.D. (years) |
|
47.38 ± 1483 |
40 44 ± 1391 |
108.000 |
| Place of exposure |
Car (%) |
10 (76.9) |
47 (71.2) |
1.000 |
| Room (%) |
3 (23.1) |
19 (28.8) |
||
| The number of the transfered from outside institution |
(%) |
2 (15.4) |
17(25.8) |
0.723 |
| Time to onset of intermittent CO poisoning (day) |
|
23.2 |
|
|
| Mean duration of exposure ± SD (min) |
|
310.00 ± 242.49 |
253.33 ± 199.93 |
0.644 |
| Mean JCS score at first hospital consultation ± S.D. |
|
200.4 ± 107.24 |
52.71 ± 94.55 |
0.000* |
| Abnormal head CT findings at consultation |
Yes (%) |
10 (76.9) |
4 (6.2) |
0.000# |
| No (%) |
3 (23.1) |
61 (93.8) |
||
| CO-Hb level at first hospital consultation ± S.D. (%) |
|
19.58 ± 20.03 |
24.99 ± 13.98 |
2.242 |
| Mean WBC count ± S.D. (/μ) |
|
14391.52 ± 4534.60 |
13834.44 ± 10769.56 |
0.856 |
| Mean CK level ± S.D. (IU/L) |
|
4371.92 ± 5976.33 |
650.86 ± 2384.67 |
0.001I† |
| Mean CK-MD level ± S.D. (IU/L) |
|
51.22 ± 33.28 |
15.66 ± 23.47 |
0.000† |
| Mean LDH level ± S.D. (U/L) |
|
395.80 ± 270.04 |
221.87 ± 101.95 |
0.000† |
| HBO therapy administered at consultation? |
Yes |
10 (76.9) |
39 (59.1) |
0.350 |
| No |
3 (23.1) |
27 (40.9) |
||
| Total BPRS score ± S.D. |
|
14.31 ± 11.86 |
14.58 ± 9.124 |
0.925 |
| GAS ± S.D. |
|
17.31 ± 18.50 |
28.48 ± 16.70 |
0.033† |
| LCU ± S.D. |
|
50.40 ± 15.05 |
65.15 ± 53.23 |
0.392 |
| ICD-10 classification |
F1 (%) |
0 (0) |
1 (1.5) |
0.804 |
| F2 (%) |
0 (0) |
6 (9.1) |
||
| F3 (%) |
9 (69.2) |
42 (63.6) |
||
| F4 (%) |
2 (15.4) |
12 (18.2) |
||
| F6 (%) |
1 (7.7) |
3 (4.5) |
||
| Others (%) |
1 (7.7) |
2 (3.0) |
||
| Mean length of hospital stay ± S.D. (days) |
|
251.08 ± 283.27 |
37.18 ± 37.93 |
0.000† |
| Mean number of HBO sessions ± S.D. (sessions) | 51.62 ± 16.69 | 5.38 ± 7.70 | 0.000† |
*Total number of cases may be different for different items.
1) #Chi-square test.
2) †ANOVA (one way analysis of variance).
3) *Mann-Whitney test.