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Table 4 Adjusted odds ratios for non-response by procedure

From: Factors associated with non-response in routine use of patient reported outcome measures after elective surgery in England

 

Adjusted odds ratio (95% confidence interval)

 

Hip replacement

Knee replacement

Hernia repair

VV surgery

Socio-demographic characteristics

Sex

Female

1.00

1.00

1.00

1.00

Male

1.12 (1.05-1.19)

1.15 (1.09-1.22)

1.03 (0.95-1.11)

1.35 (1.25-1.46)

Age category (years)

Under 55

3.06 (2.78-3.37)

3.01 (2.72-3.32)

6.05 (5.49-6.67)

4.08 (3.29-5.06)

55-64

1.48 (1.35-1.61)

1.50 (1.38-1.62)

1.81 (1.63-2.00)

1.50 (1.21-1.88)

65-74

0.97 (0.90-1.05)

1.05 (0.98-1.13)

1.05 (0.95-1.17)

1.13 (0.89-1.42)

75 and over

1.00

1.00

1.00

1.00

Ethnicity

White

1.00

1.00

1.00

1.00

Non-white

1.58 (1.32-1.88)

2.08 (1.89-2.31)

1.24 (1.11-1.38)

1.25 (1.08-1.47)

IMD quintile

Most deprived

1.55 (1.40-1.72)

1.47 (1.34-1.62)

1.86 (1.71-2.03)

1.49 (1.31-1.69)

2nd

1.34 (1.21-1.47)

1.29 (1.17-1.41)

1.60 (1.47-1.73)

1.21 (1.07-1.38)

3 rd

1.12 (1.02-1.23)

1.18 (1.07-1.29)

1.25 (1.15-1.36)

1.13 (1.00-1.28)

4th

1.04 (0.95-1.14)

1.06 (0.97-1.17)

1.13 (1.04-1.23)

0.98 (0.87-1.12)

Least deprived

1.00

1.00

1.00

1.00

Living arrangements

Not living alone

1.00

1.00

1.00

1.00

Living alone

1.27 (1.18-1.36)

1.21 (1.13-1.29)

1.16 (1.08-1.25)

1.11 (0.99-1.23)

Assisted in completing questionnaire

Not assisted

1.00

1.00

1.00

1.00

Assisted

1.49 (1.39-1.60)

1.67 (1.56-1.79)

1.53 (1.41-1.66)

1.26 (1.10-1.46)

Clinical characteristics

Previous surgery

No

1.00

1.00

1.00

1.00

Yes

1.42 (1.30-1.55)

1.36 (1.25-1.49)

1.14 (1.05-1.23)

1.05 (0.97-1.14)

Duration of symptoms*

Up to 5 years

1.00

1.00

1.00

1.00

> 5 years

1.13 (1.05-1.21)

1.03 (0.98-1.09)

1.26 (1.19-1.32)

0.84 (0.78-0.92)

Comorbidities

None

1.00

1.00

1.00

1.00

1

1.06 (0.99-1.13)

1.00 (0.94-1.07)

0.91 (0.85-0.97)

1.01 (0.93-1.10)

2

1.25 (1.15-1.37)

1.04 (0.96-1.12)

0.95 (0.86-1.04)

0.99 (0.86-1.14)

3 or more

1.45 (1.30-1.63)

1.24 (1.12-1.37)

1.19 (1.06-1.34)

1.14 (0.96-1.35)

Condition-specific PROM

per 10 point worse score

1.17 (1.11-1.24)

1.15 (1.09-1.21)

-

1.06 (1.02-1.11)

EQ-5D index score

per 0.1 point worse score

1.04 (1.03-1.06)

1.05 (1.04-1.06)

1.06 (1.05-1.08)

1.07 (1.05-1.09)

Organisational factors

Administration of pre-operative questionnaire**

On admission

1.06 (0.96-1.16)

1.06 (0.97-1.16)

1.03 (0.96-1.10)

1.11 (1.02-1.21)

Before admission

1.00

1.00

1.00

1.00

Provider type

    

NHS

1.14 (1.06-1.24)

1.24 (1.15-1.34)

1.07 (1.00-1.15)

1.08 (0.94-1.23)

Independent

1.00

1.00

1.00

1.00

Provider recruitment***

per 20% point increase

1.02 (0.98-1.07)

1.03 (0.99-1.06)

1.02 (0.98-1.07)

0.99 (0.94-1.04)

  1. * up to and more than 1 year for hernia repair
  2. ** linked records only
  3. *** restricted to providers with at least 50 eligible patients