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Table 1 Characteristics of patients admitted for Caesarian section surgery in New Brunswick (April 2004 – March 2014)

From: Provider volume and maternal complications after Caesarean section: results from a population-based study

CharacteristicLower-volume hospitals (n = 9)Higher-volume hospitals (n = 4)Total
 Number of admissions609614,81820,914
 Mean maternal age293029
Admission status (% of admissions)
 Elective91.988.489.4
 Urgent8.111.610.6
Comorbidity (% of admissions)
 None (0)53.352.552.7
 Mild (1, 2)7.99.79.2
 Moderate to severe (3, 4)1.22.32.0
 Missing / not applicable37.635.636.1
Diabetes in pregnancy (% of admissions)
 Diabetes mellitus or gestational diabetes8.87.57.9
Community size classification (% of admissions)
 City (population 100,000 – 499,999)0.250.235.6
 Small town (population 10,000-99,999)41.220.926.8
 Rural area (population < 10,000)58.628.937.5
Neighbourhood income quintile (% of admissions)
 Lowest25.119.421.1
 medium-low21.718.819.6
 Middle19.919.319.5
 Medium-high17.419.919.1
 Highest15.722.620.6
 Unknown0.20.10.1
Physician years since graduation (% of admissions)
 0–97.021.417.2
 10–1930.938.236.1
 20+62.140.446.7
Physician specialization (% of admissions)
 Maternal-fetal or obstetrics & gynecology82.299.894.6
 All other specializations17.80.25.4
Physician C-section annual volume (% of admissions)
 1–2434.918.123.0
 25–4943.428.733.0
 50–7418.435.630.6
 75–1203.217.513.4
Maternal postoperative outcomes (% of admissions)
 Presence of complications2.42.72.6