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Table 1 Characteristics of the study sample in China, 2013–2015

From: Out-of-pocket expenses for myasthenia gravis patients in China: a study on patients insured by basic medical insurance in China, 2013–2015

VariableAll patients (N = 3341)Outpatients (N = 2796)Inpatients (N = 545)
Year
 2013902 (27.0)655 (23.4)247 (45.3)
 20141438 (43.0)1285 (46.0)153 (28.1)
 20151001 (30.0)856 (30.6)145 (26.6)
Age year (year)
 0–927 (0.8)15 (0.5)12 (2.2)
 10–1922 (0.8)16 (0.6)6 (1.1)
 20–29197 (5.9)167 (6.0)30 (5.5)
 30–39408 (12.2)352 (12.6)56 (10.3)
 40–49487 (14.6)397 (14.2)90 (16.5)
 50–59760 (22.7)631 (22.6)129 (23.7)
 60–69687 (20.6)564 (20.2)123 (22.6)
 70–79565 (16.9)487 (17.4)78 (14.3)
 80+188 (5.6)167 (6.0)21 (3.9)
Gender
 Female1952 (58.4)1649 (59.0)303 (55.6)
 Male1389 (41.6)1147 (41.0)242 (44.4)
Insured type
 UEMI3079 (92.2)2653 (94.9)426 (78.2)
 URMI262 (7.8)143 (5.1)119 (21.8)
Medical Institution
 Primary hospital727 (21.8)714(25.5)13 (2.4)
 Secondary hospital355 (10.6)285 (10.2)70 (12.8)
 Tertiary hospital2259 (67.6)1797 (64.3)462 (84.8)
Regional distribution
 The eastern region2369 (70.9)2135 (76.4)234 (42.9)
 The western region874 (26.2)651 (23.3)223 (40.9)
 The central region98 (2.9)10 (0.4)88 (16.1)
  1. IQR Interquartile range