Table 2 Test of difference for specified background variables for respondents and non-respondents.
Variable | Respondents | Non-respondents | P-value |
|---|---|---|---|
Preoperative forms distributed (%) | 782 (98.7) | 125 (83.3) | |
Mean age in yrs (SD; n) | 63.6 (11; 782) | 62.1 (11.9; 125) | |
Age group | |||
< 50 years n (mean age yrs) | 91 (44.1) | 17 (42.4) | 0.952 |
> 50 years n (mean age yrs) | 700 (66.1) | 133 (65.4) | |
Mean parity (SD; n) | 2.47 (1.14; 741) | 2.44 (1.27; 102) | 0.799 |
Mean BMI (SD; n) | 25.96 (3.6; 720) | 26.3 (3.6; 102) | 0.383 |
Mean weigh in kg (SD; n) | 69.46 (10.75; 732) | 70.18 (10.76; 104) | 0.519 |
Mean height in cm (SD; n) | 163.4 (6.0; 735) | 163.1 (5.6; 103) | 0.602 |
Patient's first rank of discomfort is prolapse | |||
n (mean) | 750 (1.24) | 105 (1.26) | 0.771 |
Hypertension | |||
yes % (n) | 32 (250) | 29.6 (37) | 0.597 |
don't know % (n) | 68 (532) | 70.4 (88) | |
Current disease other than gynecologic | |||
Yes % (n) | 65.9 (396) | 69.3 (61) | 0.525 |
no % (n) | 34.1 (205) | 30.7 (27) | |
Diabetes mellitus | |||
yes % (n) | 5.8 (35) | 14.8 (13) | 0.002 |
no % (n) | 94.2 (566) | 85.2 (75) | |
Asthma | |||
Yes % (n) | 4.2 (25) | 10.2 (9) | 0.014 |
no % (n) | 95.8 (576) | 89.8 (79) | |
Current use of estrogen | |||
yes % (n) | 34.3 (192) | 28.4 (23) | 0.294 |
no % (n) | 65.7 (368) | 71.6 (58) | |
Smoking | |||
yes % (n) | 12.5 (74) | 18.4 (16) | 0.127 |
no % (n) | 87.5 (520) | 81.6 (71) | |
Registration forms distributed* (%) | 791 (100) | 150 (100) | 0.947 |
Mean uterine size estimated as corresponding gestational age (SD; n) | 3.27 (1.66; 775) | 3.28 (1.63; 143) | |
ASA I† % (n) | 88.9 (518) | 80 (68) | 0.020 |
ASA II† or more % (n) | 11.1 (65) | 20 (17) | |
Number of operation forms available (%) | 791 (100) | 150 (100) | |
Mean duration time in minutes (SD; n) | 76.61 (29.7; 778) | 77.84 (30.1; 143) | 0.652 |
Mean blood loss in ml (SD; n) | 127.38 (131.3; 757) | 128.86 (129.7; 138) | 0.903 |