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Table 5 Medical utilization of appendectomy in Taiwan by socioeconomic status and operation type, 2003-2011

From: Epidemiology of appendicitis and appendectomy for the low-income population in Taiwan, 2003–2011

Socioeconomic status

Operation type

Summed cases 2003-2011 (%)

LOS (days) Mean (SE)

Cost (USD) Mean (SE)

LIP

OA

77.30%

5.51 ± 0.11

1,191 ± 19

LA

22.70%

3.80 ± 0.08

1,178 ± 13

ANOVA test

 

p = 0.000

p = 0.000

NP

OA

72.48%

5.17 ± 0.01

1,170 ± 2

LA

27.52%

3.80 ± 0.01

1,180 ± 1

ANOVA test

 

p = 0.000

p = 0.000

  1. OA: Open appendectomy LA: Laparoscopic appendectomy.
  2. To reduce the impact of extreme data on the mean of LOS and hospital cost, we excluded 1% of maximum values and 1% of minimum values from the raw data.