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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

Ā 

Pre ā€“intervention RMRR

Postā€“intervention RMRR

Significance

IA Protocol

Eligible women receiving IA

Eligible women receiving IA

Ā 

n = 157

n = 158

Frequency 1 st stage 15-30 mins

Ā Ā Ā 

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

Ā Ā Ā 

Yes

69 (44)

77 (48.7)

NS

Timing (after contraction)

Ā Ā Ā 

Yes

40 (25.5)

62 (39.2)

RR 0.81, 95% CI, 0.69 - 0.95, p = 0.009

Duration (for 1 minute)

Ā Ā Ā 

Yes

16 (10.2)

23 (14.6)

NS

Maternal pulse

Ā Ā Ā 

Yes

1 (0.6)

5 (3.2)

NS

FH Written as a single number

Ā Ā Ā 

Yes

33 (21)

82 (51.9)

RR 0.60, 95% CI, 0.50 - 0.72, p = < 0.0001

FH rhythm

Ā Ā Ā 

Yes

0 (0)

3 (1.9)

NS

Accelerations

Ā Ā Ā 

Yes

9 (5.7)

17 (10.7)

NS

Decelerations

Ā Ā Ā 

Yes

11 (7)

16 (10.1)

NS

Fetal movements any time during labour

Ā Ā Ā 

Yes

7 (4.5)

6 (3.8)

NS

Uterine activity frequency

Ā Ā Ā 

Yes

42 (26.8)

60 (38)

RR 0.84, 95% CI, 0.72 - 0.98, p = 0.034

Uterine activity strength

Ā Ā Ā 

Yes

28 (17.8)

49 (31)

RR 0.83, 95% CI, 0.73 - 0.95, p = 0.007

Uterine activity duration

Ā Ā Ā 

Yes

6 (3.8)

18 (11.4)

RR 0.92, 95% CI, 0.86 - 0.98, p = 0.012

Uterine resting tone

Ā Ā Ā 

Yes

2 (1.3)

3 (1.9)

NS