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Table 2 The CIR16–99 (cumulative incidence rate per 103 person-years, aged 16–99) of spinal cord injury (SCI) and major risk factors in Taiwan from 2002 to 2015

From: The association between economic indicators and the incidence of tetraplegia from traumatic spinal cord injury in Taiwan

Characteristic

SCI

Tetraplegia

Traumatic tetraplegia

CIR16–99, mean (95% CI), ‰*a

3.5 (2.9 to 4.2)

2.5 (2.0 to 2.9)

1.6 (1.3 to 1.9)

Literacy rate, %

99.4 (99.2 to 99.6)

  

P80/P20b

7.57 (7.45 to 7.7)

  

GDPb, mean (95% CI), US dollars

18,447 (16,862 to 20,032)

  

Ln (GDPb per capita), mean (95% CI), US dollars

9.8 (9.7 to 9.9)

  
  1. CI confidence interval
  2. *p < 0.05, comparison between tetraplegia and traumatic tetraplegia
  3. aThe independent t test
  4. bP80/P20: the ratio of the average income of the richest 20% to the poorest 20%; GDP: gross domestic product