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Table 2 Patients baseline (pre-operative) characteristics, (n = 51)

From: Pre- and peri-operative clinical information, physiological observations and outcome measures following flexible ureterorenoscopy (FURS), for the treatment of kidney stones. A single-centre observational clinical pilot-study in 51 patients

Age (years)

Mean

54

Median

50

Range

27–87

Gender (n = 51)

Male

31

Female

20

Height (m)

Mean

1.69

Median

1.7

Range

1.5–1.86

BMI (kg/m2) category

Underweight (< 18.5)

1

Normal weight (18.5–24.9)

18

Overweight (25.0–29.9)

14

Obese class I (30.0–34.9)

10

Obese class II (35.0–39.9)

5

Obese class III (≥ 40.0)

3

Stone formation history

First time stone former

24

Reoccurring stone former

27

BP prior to procedure (baseline)

Normal (< 120/80)

17

Prehypertension (120–39/80–89)

29

HTN stage 1 (140–159/90–99)

5

iStone location

Left kidney

22

Right kidney

25

Bilateral

4

Upper pole

16

Mid pole

19

Lower pole

16

Number of stones present

1

38

2

9

3

4

Stone largest dimensions (mm)

Mean

6

Median

9.17

Range

2.0–25.0

  1. FURS flexible ureteroscopy; BMI body mass index; BP blood pressure; HTN hypertension