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Table 1 Characteristics of patients, 2009–2018

From: Age- and gender-specific trends in respiratory outpatient visits and diagnoses at a tertiary pediatric hospital in China: a 10-year retrospective study

 Patients visited the respiratory outpatient department
n of patients285,574
Age, n(%)
  < 1 year74,034(23.0)
 1 to < 4 years132,178(41.1)
 4 to < 7 years76,818(23.9)
 7 to < 12 years33,825(10.5)
 12 to < 18 years4512(1.4)
 Totala321,368
Sex, n(%)
 Male170,192(59.6)
 Female115,382(40.4)
Payer type, n(%)
 Government insurance112,495(39.4)
 Self-finance173,079(60.6)
Clinic types, n(%)
 Specialist Clinic170,808(46.5)
 Expert-clinic192,081(52.3)
 Disease-specific Clinic4434(1.2)
 Totalb367,323
Average visits per patients
 Government insurance
  Mean ± SD2.9 ± 4.0
  Median (IQR)1(1,3)
 Self-pay
  Mean ± SD2.1 ± 2.7
  Median (IQR)1(1,2)
 Total
  Mean ± SD2.4 ± 3.3
  Median (IQR)1(1,3)
  1. aA child could contribute data to multiple age groups as he or she visited the department of respiratory disease in different year
  2. bA child could contribute data to multiple clinic types as he or she visited the department of respiratory disease in different type