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Table 2 The rate of relapse (per 1000 person-years) by patient characteristics

From: Risk factors for relapse in patients with first-episode schizophrenia: Analysis of the Health Insurance Review and Assessment Service data from 2011 to 2015

Categories N (%) Relapse Person-year Relapse rate (per 1000 person-years) 95% confidence interval
Male 2289 (50.1) 635 2248.1 282.5 261.1–305.1
Female 2278 (49.9) 630 2227.0 282.9 261.4–305.6
Age 4567 (100.0) 1265 4475.1 282.7 261.3–305.5
Metropolitan city 2359 (51.7) 632 2332.9 270.9 250.4–292.7
Province 2208 (48.3) 633 2142.2 295.5 273.1–319.2
Non-recipient 4244 (92.9) 1187 4163.2 285.1 269.2–301.7
Recipient 323 (7.1) 78 311.9 250.1 199.0–310.4
Tertiary hospital 1602 (35.1) 467 1643.8 284.1 250.3–323.6
Community hospital 1286 (28.2) 440 1173.1 375.1 341.2–411.4
Clinic 1679 (36.8) 358 1658.2 215.9 194.4–239.1
Monotherapy 2033 (44.5) 448 2047.5 218.8 199.2–239.8
Combination therapy 2044 (44.8) 602 1928.8 312.1 287.9–337.8
Other drugs 490 (10.7) 215 498.8 431.0 376.2–491.6
0–50% 1836 (40.2) 660 1938.3 340.5 315.3–367.2
50–80% 574 (12.6) 122 583.0 209.3 174.5–249.0
More than 80% 2157 (47.2) 483 1953.8 247.2 225.9–270.0
Outpatient treatment 3111 (68.1) 759 3049.1 248.9 231.7–267.1
Inpatient treatment 1456 (31.9) 506 1426.0 354.8 324.9–386.8