Table 2.
Comparison between outpatient and admission groups of patients who were injured due to falls into open drains in East Shizuoka, Japan, January 2013 to December 2014
| Outpatient, n = 19 | Admission, n = 14 | P‐value | |
|---|---|---|---|
| Age, years | 51.7 ± 4.9 | 63.6 ± 5.7 | 0.13 |
| Sex (male / female) | 14/5 | 5/9 | 0.03 |
| Gate / non‐gate | 11/8 | 8/5 | n.s. |
| Bicycle | 2 | 4 | |
| Car | 6 | 1 | |
| Tractor | 0 | 1 | |
| Daytime (yes) | 11 (58%) | 10 (71%) | n.s. |
| Season | |||
| Spring | 4 | 2 | n.s |
| Summer | 4 | 2 | |
| Fall | 5 | 6 | |
| Winter | 6 | 4 | |
| Lag time (yes) | 0 | 3 (21%) | 0.06 |
| Drowning (yes) | 0 | 0 | n.s. |
| Alcoholic intoxication | 2 (10%) | 1 (7%) | n.s. |
| Accidental hypothermia | 0 | 2 (14%) | n.s. |
| Injury severity score | 2.6 ± 0.5 | 13.0 ± 4.9 | 0.02 |
| Duration of ICU stay, days | 0 | 2.1 ± 1.9 (0‐27) | n.s. |
| Duration of hospitalization, days | 0 | 12.5 ± 5.7 | <0.01 |
| Cerebral Performance Category | 5 | 4.5 ± 0.3 | n.s. |
| Survival rate | 19 (100%) | 13 (92.8%) | n.s. |
ICU, intensive care unit; n.s., not significant.