Table 1.

Characteristics of patients and hospitals cohorts in the study (Patients N = 46,170)

Variables	Fiscal year					Proportion (2012)	Proportion (2016)	Rate of increase (2016 vs. 2012)
	2012	2013	2014	2015	2016
Patients	3989	5352	8358	11,408	17,064			428%
Consultation-Liaison Psychiatry
Overall	11,800	17,807	26,283	35,084	47,912			406%
Per patient (mean, SD)	2.96 (2.73)	3.33 (3.64)	3.14 (3.14)	3.08 (3.15)	2.81 (2.75)			–
Per patient (median, interquartile range)	2 [1–4]	2 [1–4]	2 [1–4]	2 [1–4]	2 [1–3]			–
Per patient (range)	1–29	1–67	1–40	1–48	1–80
Coefficient of variation	0.92	1.10	1.00	1.03	0.98			–
Hospitals	30	34	42	51	109			363%
Age group
0–29	164	231	327	479	662	4.1%	3.9%
30–49	542	796	1193	1299	2019	13.6%	11.8%
50–64	721	1013	1431	1795	2556	18.1%	15.0%
65–74	778	1127	1746	2536	3527	19.5%	20.7%
75–84	1168	1391	2386	3279	5061	29.3%	29.7%
85+	616	794	1275	2020	3239	15.4%	19.0%
Sex
Male	2026	2651	4290	6023	9015	50.8%	52.8%
Female	1963	2701	4068	5385	8049	49.2%	47.2%
Admission setting
Planned	1451	1887	3023	4051	5497	36.4%	32.2%
Unplanned or Urgent	2538	3465	5335	7357	11,567	63.6%	67.8%
Discharge setting
Outpatients follow up	2413	3209	4730	6255	9100	60.5%	53.3%
Transfer to other hospitals	966	1311	2231	3334	5238	24.2%	30.7%
Transfer to other welfare facilities	139	173	486	611	876	3.5%	5.1%
Others	471	659	911	1208	1850	11.8%	10.8%
Discharge outcome
Treated	3177	4331	6709	9370	14,025	79.6%	82.2%
Unchanged or worsened	358	333	671	789	1124	9.0%	6.6%
Death	385	539	783	985	1505	9.7%	8.8%
Other	69	149	195	264	410	1.7%	2.4%
Length of stay
2–17 days	989	1189	2294	3179	4754	24.8%	27.9%
18–30 days	938	1269	1941	2724	4330	23.5%	25.4%
31–54 days	1038	1315	1952	2798	4211	26.0%	24.7%
55 days and over	1024	1579	2171	2707	3769	25.7%	22.1%

Consultation-Liaison Psychiatry (CLP) services were recorded once a week regardless of multiple CLPs being providing in a week