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Table 3 Comparison of compliance with hospital IA protocol and documentation requirements during ongoing monitoring with IA pre- and post- intervention

From: Intelligent Structured Intermittent Auscultation (ISIA): evaluation of a decision-making framework for fetal heart monitoring of low-risk women

  Pre –intervention RMRR Post–intervention RMRR Significance
IA Protocol Eligible women receiving IA Eligible women receiving IA  
n = 157 n = 158
Frequency 1 st stage 15-30 mins    
Yes 76 (48.4) 94 (59.5) RR 0.81, 95% CI, 0.66 -1.00, p = 0.05
Frequency 2 nd stage every 5 mins    
Yes 69 (44) 77 (48.7) NS
Timing (after contraction)    
Yes 40 (25.5) 62 (39.2) RR 0.81, 95% CI, 0.69 - 0.95, p = 0.009
Duration (for 1 minute)    
Yes 16 (10.2) 23 (14.6) NS
Maternal pulse    
Yes 1 (0.6) 5 (3.2) NS
FH Written as a single number    
Yes 33 (21) 82 (51.9) RR 0.60, 95% CI, 0.50 - 0.72, p = < 0.0001
FH rhythm    
Yes 0 (0) 3 (1.9) NS
Accelerations    
Yes 9 (5.7) 17 (10.7) NS
Decelerations    
Yes 11 (7) 16 (10.1) NS
Fetal movements any time during labour    
Yes 7 (4.5) 6 (3.8) NS
Uterine activity frequency    
Yes 42 (26.8) 60 (38) RR 0.84, 95% CI, 0.72 - 0.98, p = 0.034
Uterine activity strength    
Yes 28 (17.8) 49 (31) RR 0.83, 95% CI, 0.73 - 0.95, p = 0.007
Uterine activity duration    
Yes 6 (3.8) 18 (11.4) RR 0.92, 95% CI, 0.86 - 0.98, p = 0.012
Uterine resting tone    
Yes 2 (1.3) 3 (1.9) NS