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Table 2 Overtime trends of proportions of modes of deliveries and decision-to-delivery interval

From: Caesarean section audit to improve quality of care in a rural referral hospital in Tanzania

Delivery indicators Retrospective block n (%) Prospective block 1 n (%) Prospective block 2 n (%) Total n (%) Chi-square test for differences in mode of delivery across the blocks
Audit period in days 51 39 89 179  
Total deliveries 415 (100) 429 (100) 1024 (100) 1868 (100)  
Vaginal deliveries 315 (75.9) 322 (75.1) 784 (76.6) 1421 (76.1) p = 0.83 (χ2=0.4)
Caesarean sections 84 (20.2) 97 (22.6) 222 (21.7) 403 (21.6) p = 0.70 (χ2=0.7)
Vacuum deliveries 16 (3.9) 10 (2.3) 18 (1.8) 44 (2.4) p = 0.062=5.7)
Caesarean sections analysed 70 (83.3) 96 (99.0) 168 (75.7) 334 (82.9)  
Decision-to-delivery interval for emergency CS in minutes; median (range) 75 (15-340) 60 (15-390) 95 (10-365) 83 (10-390)  
  1. The table shows a numerical overview of the blocks, including the number of cases collected, modes of deliveries (with chi-square tests for differences in modes of deliveries over the blocks) and decision-to-delivery intervals per block