Table 3

Association between risk factors and 1-year outcomes stratified by cerebrovascular disease type

VariablesPatients (n)1-year outcomes, n (%)Crude resultsAdjusted results
HR/OR (95% CI)P valuesHR/OR (95% CI)P values
All-cause death*
 Ischaemic stroke
  NRCMS7654669 (8.7)1.26 (1.11 to 1.42)0.00021.34 (1.18 to 1.54)<0.0001
  Self-payment1748146 (8.4)1.06 (0.87 to 1.30)0.54071.20 (0.98 to 1.47)0.0703
  UBMIS9939830 (8.4)RefRef
 Transient ischaemic attack
  NRCMS78918 (2.3)1.10 (0.61 to 2.01)0.74871.17 (0.59 to 2.30)0.6588
  Self-payment1253 (2.4)1.13 (0.34 to 3.75)0.83581.23 (0.36 to 4.22)0.7381
  UBMIS124128 (2.3)RefRef
 Intracerebral haemorrhage
  NRCMS1639277 (16.9)1.22 (0.96 to 1.54)0.09991.27 (0.98 to 1.64)0.0674
  Self-payment29639 (13.2)0.89 (0.57 to 1.38)0.60941.09 (0.70 to 1.71)0.6969
  UBMIS1107191 (17.3)RefRef
Stroke recurrence
 Ischaemic stroke
  NRCMS7654557 (7.3)1.16 (1.03 to 1.30)0.01151.34 (1.20 to 1.51)<0.0001
  Self-payment1748103 (5.9)0.93 (0.76 to 1.15)0.49351.06 (0.86 to 1.31)0.5795
  UBMIS9939629 (6.3)RefRef
 Transient ischaemic attack
  NRCMS78946 (5.8)0.88 (0.62 to 1.27)0.50000.94 (0.65 to 1.37)0.7558
  Self-payment1259 (7.2)1.14 (0.57 to 2.26)0.71271.05 (0.54 to 2.02)0.8931
  UBMIS124182 (6.6)RefRef
 Intracerebral haemorrhage
  NRCMS1639116 (7.1)0.88 (0.67 to 1.17)0.38560.93 (0.70 to 1.26)0.6561
  Self-payment29616 (5.4)0.72 (0.42 to 1.22)0.21890.89 (0.52 to 1.55)0.6897
  UBMIS110785 (7.7)RefRef
Disability
 Ischaemic stroke
  NRCMS69682185 (31.4)1.24 (1.16 to 1.33)<0.00011.30 (1.21 to 1.41)<0.0001
  Self-payment1552488 (31.4)1.25 (1.11 to 1.40)0.00021.33 (1.18 to 1.51)<0.0001
  UBMIS88202373 (26.9)RefRef
 Transient ischaemic attack
  NRCMS77559 (7.6)1.08 (0.77 to 1.53)0.64371.31 (0.90 to 1.91)0.1649
  Self-payment12012 (10.0)1.46 (0.77 to 2.76)0.24091.74 (0.90 to 3.36)0.0992
  UBMIS121886 (7.1)RefRef
 Intracerebral haemorrhage
  NRCMS1465718 (49.0)1.14 (0.97 to 1.35)0.10631.27 (1.06 to 1.52)0.0112
  Self-payment263112 (42.6)0.88 (0.67 to 1.16)0.37921.01 (0.75 to 1.34)0.9709
  UBMIS940429 (45.6)RefRef
  • *Adjusted for age, mRS score, family monthly income per capita, smoking, drinking, NIHSS score on administration, cerebrovascular disease type, previous stroke or TIA, heart failure/myocardial infarction, dyslipidaemia, hospital level, antiplatelets and anticoagulants in the Cox model with consideration of the hospital’s cluster effect.

  • †Adjusted for age, mRS score, family monthly income per capita, drinking, NIHSS score on administration, previous stroke or TIA, heart failure/myocardial infarction, hypertension, diabetes mellitus, hospital level, antiplatelets and anticoagulants in the Cox model with consideration of the hospital’s cluster effect.

  • ‡Adjusted for age, sex, education, mRS score, cerebrovascular disease type, smoking, drinking, heart failure or myocardial infarction, diabetes mellitus, hospital level, antiplatelets and anticoagulants in the generalised equation estimation model.

  • mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; NRCMS, New Rural Cooperative Medical Scheme; Ref, reference; TIA, transient ischaemic attack; UBMIS, Urban Basic Medical Insurance Scheme.