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

Table 1 Characteristics of patients, 2009–2018

	Patients visited the respiratory outpatient department
n of patients	285,574
Age, n(%)
< 1 year	74,034(23.0)
1 to < 4 years	132,178(41.1)
4 to < 7 years	76,818(23.9)
7 to < 12 years	33,825(10.5)
12 to < 18 years	4512(1.4)
Total^a	321,368
Sex, n(%)
Male	170,192(59.6)
Female	115,382(40.4)
Payer type, n(%)
Government insurance	112,495(39.4)
Self-finance	173,079(60.6)
Clinic types, n(%)
Specialist Clinic	170,808(46.5)
Expert-clinic	192,081(52.3)
Disease-specific Clinic	4434(1.2)
Total^b	367,323
Average visits per patients
Government insurance
Mean ± SD	2.9 ± 4.0
Median (IQR)	1(1,3)
Self-pay
Mean ± SD	2.1 ± 2.7
Median (IQR)	1(1,2)
Total
Mean ± SD	2.4 ± 3.3
Median (IQR)	1(1,3)

^aA child could contribute data to multiple age groups as he or she visited the department of respiratory disease in different year
^bA child could contribute data to multiple clinic types as he or she visited the department of respiratory disease in different type

ISSN: 1471-2431