Table 1

Descriptive characteristics of the inpatients according to the number of diseases

n (%)12≥3χ2P value
All inpatients431 295 (100)151 956 (35.23)128 799 (29.86)150 540 (34.9)
Sex
 Male216 248 (50.14)71 712 (33.16)67 498 (31.21)77 038 (35.62)856.93<0.001
 Female215 047 (49.86)80 244 (37.31)61 301 (28.51)73 502 (34.18)
Age (years)
 0–37 081 (8.60)25 165 (67.86)8745 (23.58)3171 (8.55)30 981.20<0.001
 18–69 243 (16.05)31 037 (44.82)20 087 (29.01)18 119 (26.17)
 45–164 240 (38.08)54 985 (33.48)50 840 (30.95)58 415 (35.57)
 65–160 731 (37.27)40 769 (25.36)49 127 (30.56)70 835 (44.07)
Hospitalisation duration (days)
 0–108 698 (25.20)46 010 (42.33)32 684 (30.07)30 004 (27.60)4809.34<0.001
 5–108 680 (25.20)40 716 (37.46)31 081 (28.60)36 883 (33.94)
 8–101 756 (23.59)30 118 (29.60)31 934 (31.38)39 704 (39.02)
 12–112 161 (26.01)35 112 (31.30)33 100 (29.51)43 949 (39.18)