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Table 4 Sensitivity analyses summary (uUTI patients with susceptible or not-susceptible isolates) [29]

From: Impact of suboptimal or inappropriate treatment on healthcare resource use and cost among patients with uncomplicated urinary tract infection: an analysis of integrated delivery network electronic health records

Sensitivity analysis

Sample size

Difference [not-susceptible–susceptible] (P-value)

Probability of progressing to cUTI

All-cause costs

UTI-related costs

All-cause costs (winsorized)

UTI-related costs (winsorized)

Difference

P-value

Difference

P-value

Difference

P-value

Difference

P-value

Difference

P-value

Baseline

1009

 + 0.060

 < 0.001*

 + 430.9

0.125

 + 184.3

0.144

 + 425.7

0.031*

 + 156.8

0.034*

#1 (strict exclusion)

661

 + 0.039

0.009*

 + 797.7

0.014*

 + 304.6

0.043*

 + 653.5

0.002*

 + 217.5

0.028*

#2 (loose exclusion)

1009

 + 0.060

 < 0.001*

 + 430.9

0.125

 + 184.3

0.144

 + 425.7

0.031*

 + 156.8

0.034*

#3 (30-day follow-up)

1200

 + 0.057

 < 0.001*

− 12.85

0.910

 + 17.57

0.877

 + 36.00

0.614

 + 22.65

0.555

#4 (360-day follow-up)

834

 + 0.058

 < 0.001*

 + 412.2

0.285

 + 126.7

0.409

 + 301.9

0.256

 + 65.25

0.478

#5 (infectious disease exclusion)

955

 + 0.058

 < 0.001*

 + 511.7

0.060

 + 206.5

0.085

 + 471.7

0.012*

 + 73.15

0.139

#6 (FQ-only)

166

 + 0.036

0.387

 + 605.8

0.316

 + 186.3

0.471

 + 484.9

0.307

 + 196.0

0.369

  1. Shafrin J. Progression of an uncomplicated urinary tract infection among female patients with susceptible and non-susceptible urine isolates: findings from an integrated delivery network. [Oral] presented at IDWeek; September 29–October 3, 2021; Virtual event. https://idweek.org [29]
  2. *Statistically significant (P-value < 0.05)
  3. cUTI complicated urinary tract infection, FQ fluoroquinolones, UTI urinary tract infection, uUTI uncomplicated urinary tract infection