Table 1.

Bamford–Kowal–Bench sentence test results

Subject number	Office			Emergency department			Intensive therapy unit			Operating theatre
	No PPE	PPE	PPE shout*	No PPE	PPE	PPE shout*	No PPE	PPE	PPE shout*	No PPE	PPE	PPE shout*
1	100	92	100	100	88	100	98	88	92	94	58	86
2	96	98	98	98	90	100	88	78	80	84	54	74
3	98	100	100	100	96	94	100	76	94	94	62	88
4	100	84	100	70	92	96	100	60	88	74	54	80
5	100	100	100	100	100	100	100	96	100	92	90	100

Data represent Bamford–Kowal–Bench sentence test scores (percentages). *Raised voice whilst wearing personal protective equipment. PPE = personal protective equipment