Table 2.
Characteristics of poisoning and other causes of admissions
| Rank | Top 10 causes of admissions and drug poisoning (disease code) | Clinical and procedual characteristics, %/median, (rank) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ICD-10 codes | N | Percentage | Age ≥65 | Comorbid mental | Deep coma | Ambulance | Tertiary | Surgery | LOS | Mortality | ||
| 1 | Pneumonia, acute bronchitis, acute bronchiolitis (040080) | A370, A378, A379, A481, B012, B052, B371, B59, J13, J14, J15*, J16*, J17*, J18*, J20*, J21*, J22, J69* | 117 649 | 10.2 | 48.7 (57) | 1.5 (53) | 2.2 (23) | 19.3 (53) | 2.2 (43) | 5.7 (82) | 9.0 (62) | 7.9 (29) |
| 2 | Stroke (010060) | G45*, G46*, I63*, I65*, I66*, I675, I679, I693, I978 | 63 931 | 5.5 | 77.8 (11) | 1.5 (53) | 4.0 (14) | 44.1 (21) | 8.0 (21) | 8.0 (77) | 17.0 (30) | 5.2 (35) |
| 3 | Heart failure (050130) | I50* | 32 993 | 2.8 | 86.0 (4) | 1.3 (60) | 1.6 (26) | 34.3 (27) | 9.3 (19) | 11.5 (67) | 18.0 (27) | 11.1 (24) |
| 4 | Intestinal obstruction without hernia (060210) | K560, K562, K563, K564, K565, K566, K567, K913 | 28 701 | 2.5 | 64.3 (33) | 1.9 (40) | 0.2 (68) | 18.1 (59) | 2.0 (48) | 19.3 (57) | 11.0 (51) | 2.4 (48) |
| 5 | Fracture of proximal femur (160800) | M2435, M2445, S7200, S7210, S7220, S7230, S7270, S7280, S7290, S730 | 25 905 | 2.2 | 90.6 (1) | 3.7 (9) | 0.1 (75) | 49.5 (14) | 1.5 (58) | 91.0 (5) | 30.0 (2) | 1.4 (58) |
| 6 | Viral enteritis (150010) | A08*, A09 | 24 920 | 2.2 | 23.4 (80) | 0.9 (73) | 0.1 (75) | 14.9 (67) | 0.3 (87) | 0.8 (95) | 5.0 (89) | 0.2 (79) |
| 7 | Asthma (040100) | J45*, J46 | 23 858 | 2.1 | 12.0 (87) | 0.8 (76) | 0.4 (52) | 9.5 (85) | 1.2 (64) | 0.5 (97) | 6.0 (82) | 0.3 (74) |
| 8 | Angina pectoris, chronic ischaemic heart disease (050050) | I20*, I25* | 20 775 | 1.8 | 68.2 (23) | 0.9 (73) | 0.4 (52) | 31.9 (31) | 7.7 (22) | 43.7 (29) | 7.0 (78) | 0.8 (64) |
| 9 | Disorder associated with shortened gestation period or low birth weight (140010) | P00*, P01*, P02*, P03*, P04*, P05*, P07*, P08*, P10*, P11*, P12*, P13*, P15*, P20*, P21*, P22*, P23*, P24*, P25*, P26*, P27*, P28*, P29*, P35*, P36*, P37*, P38, P39*, P50*, P51*, P52*, P53, P54*, P55*, P56*, P57*, P58*, P590, P591, P592, P593, P598, P599, P60, P61*, P70*, P71*, P72*, P74*, P75, P76*, P77, P780, P781, P782, P783, P789, P80*, P81*, P83*, P90, P91*, P92*, P93, P94*, P95, P96* | 20 540 | 1.8 | 0.0 (95) | 0.0 (98) | 0.4 (52) | 9.4 (86) | 0.0 (97) | 10.5 (71) | 8.0 (70) | 0.5 (69) |
| 10 | Renal infection (110310) | N10, N151, N390 | 19 853 | 1.7 | 63.7 (34) | 1.7 (44) | 1.1 (32) | 22.5 (47) | 1.3 (63) | 6.7 (80) | 10.0 (55) | 1.5 (56) |
| 41 | Drug poisoning (161070a) | T36*, T37*, T38*, T39*, T40*, T41*, T42*, T43*, T44*, T45* T46* T47* T48* T49* T50* | 6 748 | 0.6 | 13.4 (86) | 33.7 (1) | 26.2 (2) | 74.1 (2) | 37.8 (1) | 1.7 (91) | 2.0 (100) | 0.3 (74) |
Rankings were based on data from the top 100 causes of admissions. Comorbidity of mental illness was defined as the following ICD-10 codes as comorbidities: unipolar depressive disorders (F32–F33), bipolar affective disorder (F30–F31), schizophrenia (F20–F29), alcohol use disorders (F10), drug use disorders (F11–F16 and F18–F19), post-traumatic stress disorder (F431), obsessive-compulsive disorder (F42), panic disorder (F400 and F410) or insomnia (F51). Deep coma was defined as a score on the Japan Soma Scale of 100 or more.
Ambulance, ambulance services; LOS, median length of stay; mortality, in-hospital mortality; surgery, surgical procedures; tertiary, tertiary emergency medical services; *, wild card.